ASTM D2949-24 外径尺寸为3.25英寸厚聚氯乙烯塑料排水管废水管和通风管及配件规格
ASTM D2949-2024 Standard Specification for 3.25-in. Outside Diameter Poly(Vinyl Chloride) (PVC) Plastic Drain,Waste, and Vent Pipe and Fittings 外径尺寸为3.25英寸厚聚氯乙烯塑料排水管,废水管和通风管及配件规格
2024-09-03
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