{"id":2550,"date":"2026-05-09T09:12:27","date_gmt":"2026-05-09T09:12:27","guid":{"rendered":"https:\/\/shengxinfoundry.com\/?p=2550"},"modified":"2026-05-09T09:12:30","modified_gmt":"2026-05-09T09:12:30","slug":"round-manhole-cover-material-choice-guide-cast-iron-vs-composite-solutions","status":"publish","type":"post","link":"https:\/\/shengxinfoundry.com\/ar\/round-manhole-cover-material-choice-guide-cast-iron-vs-composite-solutions\/","title":{"rendered":"\u062f\u0644\u064a\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0627\u062f\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0629"},"content":{"rendered":"<p>\u0645\u0631\u062d\u0628\u0627 \u0628\u0643\u0645 \u0641\u064a \u0645\u062f\u0648\u0646\u062a\u0646\u0627. \u0646\u062d\u0646 \u0634\u0631\u0643\u0629 \u0645\u0635\u0646\u0639\u0629 \u0645\u062d\u062a\u0631\u0641\u0629 \u0644\u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0648\u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0645\u0631\u0643\u0628\u060c \u0648\u0646\u0642\u0648\u0645 \u0628\u062a\u0648\u0631\u064a\u062f \u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u0644\u062f\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u0645.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 <a href=\"https:\/\/www.facebook.com\/profile.php?id=61579484674640\" target=\"_blank\" rel=\"noopener\">\u062a\u0627\u0628\u0639\u0648\u0646\u0627 \u0639\u0644\u0649 \u0627\u0644\u0641\u064a\u0633\u0628\u0648\u0643<\/a> \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0622\u062e\u0631 \u062a\u062d\u062f\u064a\u062b\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0623\u062e\u0628\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0648\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li>\n\n\n\n<li>\ud83d\udc49 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u062f\u064a\u0643 \u0623\u064a \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0644\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0648 \u0643\u0646\u062a \u0628\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631\u060c \u0641\u0644\u0627 \u062a\u062a\u0631\u062f\u062f \u0641\u064a \u0630\u0644\u0643 <a href=\"https:\/\/shengxinfoundry.com\/ar\/contact-us\/\">\u0627\u062a\u0635\u0644 \u0628\u0641\u0631\u064a\u0642\u0646\u0627<\/a> \u0645\u0628\u0627\u0634\u0631\u0629 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0633\u0631\u064a\u0639 \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u062e\u0635\u0635\u0629.<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0631\u062c\u0649 \u0645\u0648\u0627\u0635\u0644\u0629 \u0642\u0631\u0627\u0621\u0629 \u0645\u062f\u0648\u0646\u062a\u0646\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/h2><nav><ul><li><a href=\"#key-takeaways\">\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li><a href=\"#introduction-why-round-manhole-cover-material-selection-is-a-critical-infrastructure-decision\">\u0645\u0642\u062f\u0645\u0629<\/a><\/li><li><a href=\"#key-takeaways-1\">\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li><a href=\"#engineering-definition-of-round-manhole-cover-systems\">\u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a><ul><li><a href=\"#structural-function-in-urban-infrastructure\">\u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629<\/a><\/li><li><a href=\"#why-round-geometry-is-structurally-optimal\">\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u062b\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#cast-iron-round-manhole-cover-engineering-deep-dive\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631: \u0627\u0644\u063a\u0648\u0635 \u0627\u0644\u0639\u0645\u064a\u0642 \u0627\u0644\u0647\u0646\u062f\u0633\u064a<\/a><ul><li><a href=\"#material-composition-and-structure\">\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0647\u064a\u0643\u0644<\/a><\/li><li><a href=\"#mechanical-performance-characteristics\">\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/a><\/li><li><a href=\"#advantages-of-cast-iron-systems\">\u0645\u0632\u0627\u064a\u0627 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/a><\/li><li><a href=\"#limitations\">\u0627\u0644\u0642\u064a\u0648\u062f<\/a><\/li><\/ul><\/li><li><a href=\"#composite-round-manhole-cover-advanced-material-engineering\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0631\u0643\u0628: \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629<\/a><ul><li><a href=\"#material-structure-overview\">\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u0648\u0627\u062f<\/a><\/li><li><a href=\"#mechanical-performance-characteristics-2\">\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/a><\/li><li><a href=\"#key-advantages\">\u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li><a href=\"#limitations-3\">\u0627\u0644\u0642\u064a\u0648\u062f<\/a><\/li><\/ul><\/li><li><a href=\"#en-124-load-classification-standard-explained\">EN 124 \u0634\u0631\u062d \u0645\u0639\u064a\u0627\u0631 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0645\u0644<\/a><ul><li><a href=\"#load-classes-overview\">\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0641\u0626\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/a><\/li><li><a href=\"#engineering-insight\">\u0627\u0644\u0628\u0635\u064a\u0631\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#cast-iron-vs-composite-engineering-comparison\">\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u0645\u0642\u0627\u0631\u0646\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/a><\/li><li><a href=\"#lifecycle-cost-analysis-lcc-model\">\u062a\u062d\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 (\u0646\u0645\u0648\u0630\u062c LCC)<\/a><ul><li><a href=\"#cost-structure-breakdown\">\u0627\u0646\u0647\u064a\u0627\u0631 \u0647\u064a\u0643\u0644 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/a><\/li><li><a href=\"#10-year-lifecycle-study-insight\">\u0646\u0638\u0631\u0629 \u062f\u0631\u0627\u0633\u064a\u0629 \u0644\u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0644\u0645\u062f\u0629 10 \u0633\u0646\u0648\u0627\u062a<\/a><\/li><\/ul><\/li><li><a href=\"#real-engineering-case-studies\">\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/a><ul><li><a href=\"#case-1-european-highway-upgrade-project\">\u0627\u0644\u062d\u0627\u0644\u0629 1: \u0645\u0634\u0631\u0648\u0639 \u062a\u0631\u0642\u064a\u0629 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629<\/a><\/li><li><a href=\"#case-2-asian-smart-city-telecom-network\">\u0627\u0644\u062d\u0627\u0644\u0629 2: \u0634\u0628\u0643\u0629 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629 \u0627\u0644\u0622\u0633\u064a\u0648\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#common-failure-mechanisms-in-round-manhole-cover-systems\">\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u062a\u063a\u0637\u064a\u0629 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a><ul><li><a href=\"#cast-iron-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0641\u0634\u0644 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/a><\/li><li><a href=\"#composite-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#smart-city-integration-and-future-trends\">\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629 \u0648\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629<\/a><\/li><li><a href=\"#environmental-and-sustainability-considerations\">\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u062f\u0627\u0645\u0629<\/a><\/li><li><a href=\"#procurement-decision-framework\">\u0625\u0637\u0627\u0631 \u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a<\/a><ul><li><a href=\"#step-1-traffic-load-classification\">\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629<\/a><\/li><li><a href=\"#step-2-environmental-exposure\">\u0627\u0644\u062e\u0637\u0648\u0629 2: \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0628\u064a\u0626\u064a<\/a><\/li><li><a href=\"#step-3-maintenance-strategy\">\u0627\u0644\u062e\u0637\u0648\u0629 3: \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/a><\/li><li><a href=\"#step-4-budget-structure\">\u0627\u0644\u062e\u0637\u0648\u0629 4: \u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u064a\u0632\u0627\u0646\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion-engineering-balance-between-strength-and-efficiency\">\u062e\u0627\u062a\u0645\u0629<\/a><\/li><li><a href=\"#faq-real-buyer-search-questions\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/a><ul><li><a href=\"#what-is-the-strongest-round-manhole-cover-material\">\u0645\u0627 \u0647\u064a \u0623\u0642\u0648\u0649 \u0645\u0627\u062f\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629\u061f<\/a><\/li><li><a href=\"#are-composite-manhole-covers-safe-for-roads\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0622\u0645\u0646\u0629 \u0644\u0644\u0637\u0631\u0642\u061f<\/a><\/li><li><a href=\"#why-are-cast-iron-manhole-covers-still-widely-used\">\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0632\u0627\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639\u061f<\/a><\/li><li><a href=\"#do-composite-covers-rust\">\u0647\u0644 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u062a\u0635\u062f\u0623\u061f<\/a><\/li><li><a href=\"#which-material-lasts-longer\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u062a\u064a \u062a\u062f\u0648\u0645 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\u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/li>\n\n\n\n<li>\u0641\u0626\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644 (EN 124) \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u064a<\/li>\n\n\n\n<li>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0633\u0631\u0642\u0629 \u0648\u0627\u0644\u0623\u062b\u0631 \u0627\u0644\u0628\u064a\u0626\u064a<\/li>\n\n\n\n<li>\u062f\u0631\u0627\u0633\u0627\u062a \u062d\u0627\u0644\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0628\u0644\u062f\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629 \u0648\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u0641\u0634\u0644<\/li>\n\n\n\n<li>\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0630\u0643\u064a\u0629 \u0648\u0627\u0644\u062a\u0637\u0648\u0631 \u0627\u0644\u0645\u0627\u062f\u064a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<\/li>\n\n\n\n<li>\u0625\u0637\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0645\u0644\u064a \u0644\u0641\u0631\u0642 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0648\u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction-why-round-manhole-cover-material-selection-is-a-critical-infrastructure-decision\">\u0645\u0642\u062f\u0645\u0629<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png.webp\" alt=\"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629\" class=\"wp-image-2551\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png.webp 600w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png-300x300.webp 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png-150x150.webp 150w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png-12x12.webp 12w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/05\/asaweqeef.png-100x100.webp 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p>\u062a\u0645 \u0628\u0646\u0627\u0621 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629 \u0639\u0644\u0649 \u0623\u0646\u0638\u0645\u0629 \u063a\u064a\u0631 \u0645\u0631\u0626\u064a\u0629 \u0625\u0644\u0649 \u062d\u062f \u0643\u0628\u064a\u0631 \u0645\u062b\u0644 \u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0635\u062d\u064a \u062a\u062d\u062a \u0627\u0644\u0623\u0631\u0636\u060c \u0648\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0648\u0642\u0646\u0648\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a\u060c \u0648\u062e\u0637\u0648\u0637 \u0623\u0646\u0627\u0628\u064a\u0628 \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647. \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0633\u0637\u062d\u060c <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0647\u064a \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0648\u0627\u0642\u064a\u0629 \u0627\u0644\u0648\u062d\u064a\u062f\u0629 \u0627\u0644\u0645\u0631\u0626\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0645\u0634\u0627\u0629 \u0648\u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0648\u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629 \u062a\u062d\u062a \u0627\u0644\u0623\u0631\u0636.<\/p>\n\n\n\n<p>\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u062f\u0627\u0626\u0631\u064a \u0644\u064a\u0633 \u0645\u062c\u0631\u062f \u063a\u0637\u0627\u0621. \u0625\u0646\u0647 \u0645\u0643\u0648\u0646 \u0623\u0645\u0627\u0646 \u0647\u064a\u0643\u0644\u064a \u062d\u0627\u0645\u0644 \u0645\u0635\u0645\u0645 \u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0648\u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0628\u064a\u0626\u064a \u0648\u062f\u0648\u0631\u0627\u062a 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\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0628\u0644\u062f\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629\u060c \u0623\u0643\u062b\u0631 \u0645\u0646 <strong>30% \u0644\u0642\u0636\u0627\u064a\u0627 \u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062d\u0636\u0631\u064a\u0629<\/strong> \u062a\u0631\u062a\u0628\u0637 \u0628\u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0639\u064a\u0628\u0629 \u0623\u0648 \u0633\u064a\u0626\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631. \u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u064a\u0633 \u062a\u0641\u0636\u064a\u0644\u064b\u0627 \u0644\u0644\u062a\u0635\u0645\u064a\u0645\u060c \u0628\u0644 \u0642\u0631\u0627\u0631\u064b\u0627 \u0637\u0648\u064a\u0644 \u0627\u0644\u0645\u062f\u0649 \u064a\u062a\u0639\u0644\u0642 \u0628\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629.<\/p>\n\n\n\n<p>\u0627\u0644\u064a\u0648\u0645\u060c \u062a\u062d\u062f\u062f \u0641\u0626\u062a\u0627 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0633\u0627\u0626\u062f\u062a\u0627\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0627\u0644\u0645\u0641\u0627\u0636\u0644\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0641\u064a \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u0648\u0632\u0646 \u0648\u0643\u0641\u0627\u0621\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"key-takeaways-1\">\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0648\u0648\u0638\u064a\u0641\u0629 \u0623\u0646\u0638\u0645\u0629 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0648\u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0628\u064a\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/li>\n\n\n\n<li>EN 124 \u0646\u0638\u0627\u0645 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0648\u0627\u0644\u062a\u0641\u0633\u064a\u0631 \u0641\u064a \u0627\u0644\u0639\u0627\u0644\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a<\/li>\n\n\n\n<li>\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u062f\u0648\u0631\u0629 \u062d\u064a\u0627\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621 (CAPEX \u0645\u0642\u0627\u0628\u0644 OPEX)<\/li>\n\n\n\n<li>\u062f\u0631\u0627\u0633\u0627\u062a \u062d\u0627\u0644\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0645\u0646 \u0623\u0648\u0631\u0648\u0628\u0627 \u0648\u0622\u0633\u064a\u0627 \u0648\u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629 \u0648\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0627\u0628\u062a\u0643\u0627\u0631 \u0627\u0644\u0645\u0627\u062f\u064a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"engineering-definition-of-round-manhole-cover-systems\">\u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0644 <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0623\u0646\u0638\u0645\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"structural-function-in-urban-infrastructure\">\u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0636\u0631\u064a\u0629<\/h3>\n\n\n\n<p>\u064a\u062e\u062f\u0645 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0623\u0631\u0628\u0639 \u0648\u0638\u0627\u0626\u0641 \u0647\u0646\u062f\u0633\u064a\u0629 \u0623\u0633\u0627\u0633\u064a\u0629<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0646\u0642\u0644 \u0627\u0644\u062d\u0645\u0648\u0644\u0629 \u0645\u0646 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0625\u0644\u0649 \u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u063a\u0631\u0641 \u062a\u062d\u062a \u0627\u0644\u0623\u0631\u0636<\/li>\n\n\n\n<li>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0636\u062f \u0627\u0644\u062f\u062e\u0648\u0644 \u0627\u0644\u0639\u0631\u0636\u064a \u0648\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062e\u062a\u0645 \u0627\u0644\u0628\u064a\u0626\u064a \u0636\u062f \u062a\u0633\u0631\u0628 \u0627\u0644\u0645\u064a\u0627\u0647 \u0648\u0627\u0644\u062d\u0637\u0627\u0645 \u0648\u0627\u0644\u063a\u0627\u0632<\/li>\n\n\n\n<li>\u0646\u0642\u0637\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0641\u064a \u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u062d\u062f\u064a\u062b\u0629\u060c \u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0643\u062c\u0632\u0621 \u0645\u0646 \u0634\u0628\u0643\u0629 \u062a\u0648\u0632\u064a\u0639 \u0623\u0648\u0633\u0639 \u0644\u0644\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0646\u0627\u0641\u0639\u0629\u060c \u062d\u064a\u062b \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0645\u0627\u0634\u0649 \u0643\u0644 \u063a\u0637\u0627\u0621 \u0645\u0639 \u0641\u0626\u0629 \u0627\u0644\u0637\u0631\u064a\u0642 \u0648\u0643\u062b\u0627\u0641\u0629 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0645\u062a\u0648\u0642\u0639\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-round-geometry-is-structurally-optimal\">\u0644\u0645\u0627\u0630\u0627 \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u062b\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/h3>\n\n\n\n<p>\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u064a \u0644\u064a\u0633 \u0627\u0639\u062a\u0628\u0627\u0637\u064a\u064b\u0627\u060c \u0628\u0644 \u0647\u0648 \u062a\u062d\u0633\u064a\u0646 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0644\u0627 \u064a\u0648\u062c\u062f \u0636\u0639\u0641 \u0641\u064a \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u062a\u062d\u062a \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u062d\u0645\u0644<\/li>\n\n\n\n<li>\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0645\u0648\u062d\u062f \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u0645\u062d\u064a\u0637<\/li>\n\n\n\n<li>\u0644\u0627 \u064a\u0648\u062c\u062f \u062e\u0637\u0631 \u0627\u0644\u0633\u0642\u0648\u0637 \u0641\u064a \u0641\u062a\u062d\u0629 \u0627\u0644\u063a\u0631\u0641\u0629<\/li>\n\n\n\n<li>\u0633\u0647\u0648\u0644\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u062a\u0646\u0627\u0648\u0628\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u062a\u0638\u0644 \u0647\u0630\u0647 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0647\u064a \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a \u0641\u064a \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cast-iron-round-manhole-cover-engineering-deep-dive\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631: \u0627\u0644\u063a\u0648\u0635 \u0627\u0644\u0639\u0645\u064a\u0642 \u0627\u0644\u0647\u0646\u062f\u0633\u064a<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad.jpg\" alt=\"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0636\u0627\u062f \u0644\u0644\u062a\u0631\u0647\u0644 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0643\u0631\u0648\u064a\" class=\"wp-image-369\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad.jpg 800w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad-300x300.jpg 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad-150x150.jpg 150w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad-768x768.jpg 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad-600x600.jpg 600w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/asxacsasvad-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"material-composition-and-structure\">\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0647\u064a\u0643\u0644<\/h3>\n\n\n\n<p>\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0635\u0646\u0648\u0639\u0629 \u0639\u0627\u062f\u0629 \u0645\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a (\u0642\u0648\u0629 \u0636\u063a\u0637 \u0639\u0627\u0644\u064a\u0629\u060c \u0633\u0644\u0648\u0643 \u0627\u0644\u0643\u0633\u0631 \u0627\u0644\u0647\u0634)<\/li>\n\n\n\n<li>\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 (EN-GJS-500-7 \u0623\u0648 \u062f\u0631\u062c\u0627\u062a \u0645\u0645\u0627\u062b\u0644\u0629)<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0628\u0634\u0643\u0644 \u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0641\u064a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0646\u0638\u0631\u064b\u0627 \u0644\u0635\u0644\u0627\u0628\u062a\u0647 \u0627\u0644\u0645\u062d\u0633\u0646\u0629 \u0648\u0645\u0642\u0627\u0648\u0645\u062a\u0647 \u0644\u0644\u0635\u062f\u0645\u0627\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mechanical-performance-characteristics\">\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u0648\u0629 \u0627\u0644\u0636\u063a\u0637: \u0639\u0627\u062f\u0629 400.700 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 \u062d\u0633\u0628 \u0627\u0644\u062f\u0631\u062c\u0629<\/li>\n\n\n\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0645\u0644: \u062a\u0635\u0644 \u0625\u0644\u0649 EN 124 Class D400 \u0623\u0648 \u0623\u0639\u0644\u0649<\/li>\n\n\n\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0634\u0648\u0647 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0633\u0627\u0643\u0646<\/li>\n\n\n\n<li>\u062e\u0635\u0627\u0626\u0635 \u062a\u062e\u0645\u064a\u062f \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0645\u0645\u062a\u0627\u0632\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"advantages-of-cast-iron-systems\">\u0645\u0632\u0627\u064a\u0627 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u062f\u0631\u0629 \u062a\u062d\u0645\u0644 \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u063a\u0627\u064a\u0629<\/li>\n\n\n\n<li>\u0639\u0645\u0631 \u062e\u062f\u0645\u0629 \u0637\u0648\u064a\u0644 (\u063a\u0627\u0644\u0628\u064b\u0627 20-40 \u0639\u0627\u0645\u064b\u0627 \u0641\u064a \u0638\u0644 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629)<\/li>\n\n\n\n<li>\u0623\u062f\u0627\u0621 \u0645\u062b\u0628\u062a \u0641\u064a \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0645\u0648\u062d\u062f \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0627\u0644\u0645<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"limitations\">\u0627\u0644\u0642\u064a\u0648\u062f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0648\u0632\u0646 \u0627\u0644\u0639\u0627\u0644\u064a \u064a\u0632\u064a\u062f \u0645\u0646 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/li>\n\n\n\n<li>\u0639\u0631\u0636\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 \u0628\u062f\u0648\u0646 \u0637\u0644\u0627\u0621<\/li>\n\n\n\n<li>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0633\u0631\u0642\u0629 \u0628\u0633\u0628\u0628 \u0642\u064a\u0645\u0629 \u0627\u0644\u062e\u0631\u062f\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629<\/li>\n\n\n\n<li>\u062a\u0648\u0644\u064a\u062f \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u062a\u062d\u062a \u062a\u0623\u062b\u064a\u0631 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"composite-round-manhole-cover-advanced-material-engineering\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0631\u0643\u0628: \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa.jpg\" alt=\"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0645\u0631\u0643\u0628\" class=\"wp-image-355\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa.jpg 800w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa-300x300.jpg 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa-150x150.jpg 150w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa-768x768.jpg 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa-600x600.jpg 600w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/acsacsavdvsa-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"material-structure-overview\">\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u0648\u0627\u062f<\/h3>\n\n\n\n<p>\u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631 \u0627\u0644\u0645\u0642\u0648\u0649 \u0628\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 (GFRP)<\/li>\n\n\n\n<li>\u0645\u0631\u0643\u0628 \u0635\u0628 \u0627\u0644\u0635\u0641\u0627\u0626\u062d (SMC)<\/li>\n\n\n\n<li>\u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631\u064a\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0631\u0627\u062a\u0646\u062c<\/li>\n<\/ul>\n\n\n\n<p>\u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u062a\u062d\u0642\u064a\u0642 \u0623\u062f\u0627\u0621 \u0647\u064a\u0643\u0644\u064a \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0642\u0648\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0646\u0642\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mechanical-performance-characteristics-2\">\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0633\u0639\u0629 \u0627\u0644\u062d\u0645\u0648\u0644\u0629: EN 124 A15 \u0625\u0644\u0649 C250 (\u062d\u0633\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645)<\/li>\n\n\n\n<li>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f: \u0646\u0633\u0628\u0629 \u0639\u0627\u0644\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0648\u0632\u0646<\/li>\n\n\n\n<li>\u062a\u0634\u0648\u0647 \u0645\u0631\u0646 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u062f\u0648\u0646 \u0641\u0634\u0644 \u062f\u0627\u0626\u0645<\/li>\n\n\n\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0645\u062a\u0627\u0632\u0629 \u0644\u0644\u062a\u0639\u0628 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"key-advantages\">\u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0623\u062e\u0641 \u0648\u0632\u0646\u064b\u0627 \u0628\u0645\u0627 \u064a\u0635\u0644 \u0625\u0644\u0649 75% \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/li>\n\n\n\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 (\u0628\u062f\u0648\u0646 \u0635\u062f\u0623)<\/li>\n\n\n\n<li>\u063a\u064a\u0631 \u0645\u0648\u0635\u0644 \u0644\u0644\u0643\u0647\u0631\u0628\u0627\u0621 (\u0622\u0645\u0646 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a\/\u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621)<\/li>\n\n\n\n<li>\u0645\u0643\u0627\u0641\u062d\u0629 \u0627\u0644\u0633\u0631\u0642\u0629 \u0628\u0633\u0628\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u064a\u0645\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0628\u064a\u0639<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0646\u0642\u0644 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"limitations-3\">\u0627\u0644\u0642\u064a\u0648\u062f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0633\u0639\u0629 \u0627\u0644\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0631\u0646<\/li>\n\n\n\n<li>\u062e\u0637\u0631 \u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0623\u0633\u0648\u0627\u0642<\/li>\n\n\n\n<li>\u064a\u062a\u0637\u0644\u0628 \u0645\u0631\u0627\u0642\u0628\u0629 \u0635\u0627\u0631\u0645\u0629 \u0644\u0644\u062c\u0648\u062f\u0629 \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u0627\u062a\u0633\u0627\u0642 \u0627\u0644\u0647\u064a\u0643\u0644\u064a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"en-124-load-classification-standard-explained\">EN 124 \u0634\u0631\u062d \u0645\u0639\u064a\u0627\u0631 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0645\u0644<\/h2>\n\n\n\n<p>\u064a\u0639\u062f \u0645\u0639\u064a\u0627\u0631 EN 124 \u0647\u0648 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u062a\u0635\u0646\u064a\u0641 \u062d\u0645\u0644 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"load-classes-overview\">\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0641\u0626\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0641\u0635\u0644<\/th><th>\u0633\u0639\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/th><th>\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/th><\/tr><\/thead><tbody><tr><td>\u062315<\/td><td>1.5 \u0637\u0646<\/td><td>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0634\u0627\u0629 \u0648\u0627\u0644\u062d\u062f\u0627\u0626\u0642<\/td><\/tr><tr><td>\u0628125<\/td><td>12.5 \u0637\u0646<\/td><td>\u0645\u0646\u0627\u0637\u0642 \u0648\u0642\u0648\u0641 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0623\u0631\u0635\u0641\u0629<\/td><\/tr><tr><td>\u062c250<\/td><td>25 \u0637\u0646<\/td><td>\u0627\u0644\u0631\u0635\u064a\u0641\u060c \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629 \u0627\u0644\u062e\u0641\u064a\u0641\u0629<\/td><\/tr><tr><td>D400<\/td><td>40 \u0637\u0646<\/td><td>\u0627\u0644\u0637\u0631\u0642 \u0648\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/td><\/tr><tr><td>E600<\/td><td>60 \u0637\u0646<\/td><td>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0648\u0627\u0646\u0626 \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u062b\u0642\u064a\u0644\u0629<\/td><\/tr><tr><td>F900<\/td><td>90 \u0637\u0646<\/td><td>\u0627\u0644\u0645\u0637\u0627\u0631\u0627\u062a \u0648\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0642\u0635\u0648\u0649<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"engineering-insight\">\u0627\u0644\u0628\u0635\u064a\u0631\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u064a\u0647\u064a\u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0639\u0644\u0649 \u062a\u0637\u0628\u064a\u0642\u0627\u062a D400 charecF900<\/li>\n\n\n\n<li>\u062a\u0647\u064a\u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0639\u0644\u0649 \u062a\u0637\u0628\u064a\u0642\u0627\u062a A15 wainc250<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0645\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0623 <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0646\u0638\u0627\u0645.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cast-iron-vs-composite-engineering-comparison\">\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628: \u0645\u0642\u0627\u0631\u0646\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0645\u064a\u0632\u0629<\/th><th>\u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/th><th>\u0645\u0631\u0643\u0628<\/th><\/tr><\/thead><tbody><tr><td>\u0642\u0648\u0629 \u0627\u0644\u062d\u0645\u0644<\/td><td>\u0639\u0627\u0644\u064a \u062c\u062f\u0627<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><\/tr><tr><td>\u0648\u0632\u0646<\/td><td>\u062b\u0642\u064a\u0644<\/td><td>\u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646<\/td><\/tr><tr><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><td>\u0639\u0627\u0644\u064a \u062c\u062f\u0627<\/td><\/tr><tr><td>\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/td><td>\u0639\u0627\u0644\u064a<\/td><td>\u0645\u0646\u062e\u0641\u0636<\/td><\/tr><tr><td>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0633\u0631\u0642\u0629<\/td><td>\u0639\u0627\u0644\u064a<\/td><td>\u0645\u0646\u062e\u0641\u0636<\/td><\/tr><tr><td>\u062a\u0631\u062f\u062f \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><td>\u0645\u0646\u062e\u0641\u0636<\/td><\/tr><tr><td>\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0636\u0648\u0636\u0627\u0621<\/td><td>\u0645\u0646\u062e\u0641\u0636<\/td><td>\u0639\u0627\u0644\u064a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lifecycle-cost-analysis-lcc-model\">\u062a\u062d\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 (\u0646\u0645\u0648\u0630\u062c LCC)<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"700\" src=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/sacacsavdasdbwsfd.jpg\" alt=\"\" class=\"wp-image-1699\" style=\"width:500px\" srcset=\"https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/sacacsavdasdbwsfd.jpg 900w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/sacacsavdasdbwsfd-300x233.jpg 300w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/sacacsavdasdbwsfd-768x597.jpg 768w, https:\/\/shengxinfoundry.com\/wp-content\/uploads\/2026\/03\/sacacsavdasdbwsfd-600x467.jpg 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cost-structure-breakdown\">\u0627\u0646\u0647\u064a\u0627\u0631 \u0647\u064a\u0643\u0644 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/h3>\n\n\n\n<p>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0648\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u0646\u0642\u0644<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0623\u0648\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062e\u062f\u0645\u0627\u062a \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a\u0629 \u0648\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0639\u0645\u0627\u0644\u0629<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"10-year-lifecycle-study-insight\">\u0646\u0638\u0631\u0629 \u062f\u0631\u0627\u0633\u064a\u0629 \u0644\u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0644\u0645\u062f\u0629 10 \u0633\u0646\u0648\u0627\u062a<\/h3>\n\n\n\n<p>\u0628\u0646\u0627\u0621 \u0639\u0644\u0649 \u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0628\u0644\u062f\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u062a\u0642\u0644\u0644 \u0632\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0628\u0645\u0642\u062f\u0627\u0631 30 porchet50%<\/li>\n\n\n\n<li>\u062a\u064f\u0638\u0647\u0631 \u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0623\u062f\u0627\u0621\u064b \u0623\u0641\u0636\u0644 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0639\u0627\u0644\u064a<\/li>\n\n\n\n<li>\u064a\u0639\u062a\u0645\u062f \u0625\u062c\u0645\u0627\u0644\u064a \u0641\u0631\u0642 \u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629 \u0639\u0644\u0649 \u0641\u0626\u0629 \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0648\u0627\u0644\u0628\u064a\u0626\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"real-engineering-case-studies\">\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"case-1-european-highway-upgrade-project\">\u0627\u0644\u062d\u0627\u0644\u0629 1: \u0645\u0634\u0631\u0648\u0639 \u062a\u0631\u0642\u064a\u0629 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629<\/h3>\n\n\n\n<p>\u0627\u0633\u062a\u0628\u062f\u0644 \u0637\u0631\u064a\u0642 \u0633\u0631\u064a\u0639 \u0641\u064a \u0623\u0644\u0645\u0627\u0646\u064a\u0627 \u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0628\u0623\u0646\u0638\u0645\u0629 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0641\u0626\u0629 D400.<\/p>\n\n\n\n<p>\u0627\u0644\u0646\u062a\u0627\u0626\u062c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>60% \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0647\u064a\u0643\u0644\u064a<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062d\u062f \u0645\u0646 \u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0645\u0631\u0648\u0631<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0641\u062a\u0631\u0627\u062a \u0627\u0644\u062a\u0641\u062a\u064a\u0634<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"case-2-asian-smart-city-telecom-network\">\u0627\u0644\u062d\u0627\u0644\u0629 2: \u0634\u0628\u0643\u0629 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629 \u0627\u0644\u0622\u0633\u064a\u0648\u064a\u0629<\/h3>\n\n\n\n<p>\u0627\u0633\u062a\u0628\u062f\u0644 \u0645\u0634\u0631\u0648\u0639 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0628\u0623\u0646\u0638\u0645\u0629 \u0645\u0631\u0643\u0628\u0629.<\/p>\n\n\n\n<p>\u0627\u0644\u0646\u062a\u0627\u0626\u062c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>80% \u062a\u0642\u0644\u064a\u0644 \u062d\u0648\u0627\u062f\u062b \u0627\u0644\u0633\u0631\u0642\u0629<\/li>\n\n\n\n<li>\u0648\u0642\u062a \u062a\u062b\u0628\u064a\u062a \u0623\u0633\u0631\u0639 (\u062a\u062d\u0633\u064a\u0646 \u064a\u0635\u0644 \u0625\u0644\u0649 40%)<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0639\u0645\u0627\u0644 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-failure-mechanisms-in-round-manhole-cover-systems\">\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0623\u0646\u0638\u0645\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cast-iron-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0641\u0634\u0644 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0634\u0642\u0642 \u0627\u0644\u062a\u0639\u0628 \u062a\u062d\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/li>\n\n\n\n<li>\u062a\u0642\u0637\u064a\u0639 \u0627\u0644\u062d\u0627\u0641\u0629 \u0628\u0633\u0628\u0628 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062a\u0623\u062b\u064a\u0631<\/li>\n\n\n\n<li>\u0636\u0639\u0641 \u0627\u0644\u062a\u0622\u0643\u0644 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"composite-failure-modes\">\u0623\u0648\u0636\u0627\u0639 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0639\u0628 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062b\u0628\u064a\u062a \u063a\u064a\u0631 \u0627\u0644\u0633\u0644\u064a\u0645 \u064a\u0633\u0628\u0628 \u0627\u0644\u062a\u0634\u0648\u0647<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"smart-city-integration-and-future-trends\">\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629 \u0648\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629<\/h2>\n\n\n\n<p>\u062a\u062a\u0637\u0648\u0631 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0646\u062d\u0648 \u0623\u0646\u0638\u0645\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u201csmart\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0623\u062c\u0647\u0632\u0629 \u0627\u0633\u062a\u0634\u0639\u0627\u0631 \u0625\u0646\u062a\u0631\u0646\u062a \u0627\u0644\u0623\u0634\u064a\u0627\u0621 \u0627\u0644\u0645\u062f\u0645\u062c\u0629 \u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062d\u0645\u0644<\/li>\n\n\n\n<li>\u0623\u0646\u0638\u0645\u0629 \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0635\u062d\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 (SHM)<\/li>\n\n\n\n<li>\u062a\u062a\u0628\u0639 \u0627\u0644\u0623\u0635\u0648\u0644 \u0639\u0644\u0649 \u0623\u0633\u0627\u0633 \u0646\u0638\u0627\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u0642\u0639<\/li>\n\n\n\n<li>\u0623\u0646\u0638\u0645\u0629 \u0630\u0643\u064a\u0629 \u0644\u0643\u0634\u0641 \u0627\u0644\u0633\u0631\u0642\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u062a\u0645 \u062f\u0645\u062c \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u062a\u0632\u0627\u064a\u062f \u0641\u064a \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0643\u0628\u0631\u0649.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"environmental-and-sustainability-considerations\">\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u062f\u0627\u0645\u0629<\/h2>\n\n\n\n<p>\u0639\u0631\u0636 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0628\u0635\u0645\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u064a\u0629 \u0641\u064a \u0648\u0633\u0627\u0626\u0644 \u0627\u0644\u0646\u0642\u0644<\/li>\n\n\n\n<li>\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0648\u064a\u0631<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/li>\n<\/ul>\n\n\n\n<p>\u0639\u0631\u0648\u0636 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0639\u062f\u0644 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u0645\u0631\u062a\u0641\u0639 (\u0623\u0643\u062b\u0631 \u0645\u0646 90%)<\/li>\n\n\n\n<li>\u0639\u0645\u0631 \u062e\u062f\u0645\u0629 \u0637\u0648\u064a\u0644 \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u062a\u0631\u062f\u062f \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"procurement-decision-framework\">\u0625\u0637\u0627\u0631 \u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a<\/h2>\n\n\n\n<p>\u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0638\u0627\u0645 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629\u060c \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0627\u062f\u0629\u064b \u0628\u062a\u0642\u064a\u064a\u0645 \u0645\u0627 \u064a\u0644\u064a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-1-traffic-load-classification\">\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u0634\u0627\u0629\/\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u062e\u0641\u064a\u0641\u0629 \u2192 \u0645\u0631\u0643\u0628<\/li>\n\n\n\n<li>\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0643\u062b\u064a\u0641\u0629 \/ \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u2192 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-2-environmental-exposure\">\u0627\u0644\u062e\u0637\u0648\u0629 2: \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0628\u064a\u0626\u064a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629\/\u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u2192 \u064a\u0641\u0636\u0644 \u0627\u0644\u0645\u0631\u0643\u0628<\/li>\n\n\n\n<li>\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062d\u0636\u0631\u064a\u0629 \u0627\u0644\u062c\u0627\u0641\u0629 \u2192 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0646\u0627\u0633\u0628<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-3-maintenance-strategy\">\u0627\u0644\u062e\u0637\u0648\u0629 3: \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0635\u064a\u0627\u0646\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u2192 \u0645\u0631\u0643\u0628<\/li>\n\n\n\n<li>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0645\u062a\u0627\u0646\u0629 \u0639\u0627\u0644\u064a\u0629 \u2192 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-4-budget-structure\">\u0627\u0644\u062e\u0637\u0648\u0629 4: \u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u064a\u0632\u0627\u0646\u064a\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0641\u0636\u064a\u0644 \u0627\u0644\u0646\u0641\u0642\u0627\u062a \u0627\u0644\u0631\u0623\u0633\u0645\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u2192 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631<\/li>\n\n\n\n<li>\u062a\u0641\u0636\u064a\u0644 OPEX \u0645\u0646\u062e\u0641\u0636 \u2192 \u0645\u0631\u0643\u0628<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion-engineering-balance-between-strength-and-efficiency\">\u062e\u0627\u062a\u0645\u0629<\/h2>\n\n\n\n<p>\u0627\u062e\u062a\u064a\u0627\u0631 \u0623 <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0627\u0644\u0645\u0627\u062f\u0629 \u0647\u064a \u0641\u064a \u0627\u0644\u0623\u0633\u0627\u0633 \u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0628\u064a\u0626\u064a\u0629\u060c \u0648\u062a\u0643\u0644\u0641\u0629 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629\u060c \u0648\u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/p>\n\n\n\n<p>\u064a\u0638\u0644 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0647\u0648 \u0627\u0644\u062d\u0644 \u0627\u0644\u0633\u0627\u0626\u062f \u0644\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0634\u0627\u0642\u0629 \u0646\u0638\u0631\u064b\u0627 \u0644\u0642\u0648\u062a\u0647 \u0627\u0644\u062a\u064a \u0644\u0627 \u0645\u062b\u064a\u0644 \u0644\u0647\u0627 \u0648\u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0637\u0648\u064a\u0644. \u0648\u0645\u0646 \u0646\u0627\u062d\u064a\u0629 \u0623\u062e\u0631\u0649\u060c \u062a\u0639\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u062a\u0639\u0631\u064a\u0641 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0628\u0646\u0627\u0621 \u062e\u0641\u064a\u0641 \u0627\u0644\u0648\u0632\u0646\u060c \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644\u060c \u0648\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0645\u062f\u0646 \u0627\u0644\u0630\u0643\u064a\u0629.<\/p>\n\n\n\n<p>\u0645\u0646 \u0627\u0644\u0645\u0631\u062c\u062d \u0623\u0646 \u062a\u062a\u0628\u0646\u0649 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 \u0646\u0647\u062c\u064b\u0627 \u0647\u062c\u064a\u0646\u064b\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0631\u062c\u0629 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0630\u0643\u064a\u0629 \u0648\u0627\u0644\u0645\u0648\u0632\u0639\u0629 \u0648\u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0644\u0644\u062a\u0622\u0643\u0644\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0625\u0646\u0634\u0627\u0621 \u0646\u0645\u0648\u0630\u062c \u0628\u0646\u064a\u0629 \u062a\u062d\u062a\u064a\u0629 \u062d\u0636\u0631\u064a\u0629 \u0623\u0643\u062b\u0631 \u0643\u0641\u0627\u0621\u0629 \u0648\u0627\u0633\u062a\u062f\u0627\u0645\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq-real-buyer-search-questions\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is-the-strongest-round-manhole-cover-material\">\u0645\u0627 \u0647\u0648 \u0627\u0644\u0623\u0642\u0648\u0649 <a href=\"https:\/\/shengxinfoundry.com\/ar\/\">\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0633\u062a\u062f\u064a\u0631\u0629<\/a> \u0645\u0627\u062f\u0629\u061f<\/h3>\n\n\n\n<p>\u062a\u0648\u0641\u0631 \u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644 \u0623\u0639\u0644\u0649 \u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0645\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"are-composite-manhole-covers-safe-for-roads\">\u0647\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0622\u0645\u0646\u0629 \u0644\u0644\u0637\u0631\u0642\u061f<\/h3>\n\n\n\n<p>\u0646\u0639\u0645\u060c \u0648\u0644\u0643\u0646 \u0628\u0634\u0643\u0644 \u0631\u0626\u064a\u0633\u064a \u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u062e\u0641\u064a\u0641\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-are-cast-iron-manhole-covers-still-widely-used\">\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0632\u0627\u0644 \u0623\u063a\u0637\u064a\u0629 \u063a\u0631\u0641 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 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\u0627\u0644\u0645\u0633\u062a\u062f\u064a\u0631\u0629: \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0631\u0643\u0628. \u062a\u0639\u0644\u0645 \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0644\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u0630\u0643\u064a\u0629.<\/p>","protected":false},"author":1,"featured_media":2551,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-2550","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/comments?post=2550"}],"version-history":[{"count":1,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2550\/revisions"}],"predecessor-version":[{"id":2552,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/posts\/2550\/revisions\/2552"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/media\/2551"}],"wp:attachment":[{"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/media?parent=2550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/categories?post=2550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengxinfoundry.com\/ar\/wp-json\/wp\/v2\/tags?post=2550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}