ASTM C1846-C 1846M-19 (2024) 钢筋混凝土涵洞、雨水管和污水管基于性能的制造标准规范
ASTM C1846-C 1846M-19 (2024) Standard Specification for Performance Based Manufacture of Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe 钢筋混凝土涵洞、雨水管和污水管基于性能的制造标准规范
2024-09-03
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