標題: ASTM F 1803-2006 以受控內徑為依據的聚氯乙烯封閉異型自流管... [打印本頁] 作者: 兌水 時間: 2009-12-3 09:28 標題: ASTM F 1803-2006 以受控內徑為依據的聚氯乙烯封閉異型自流管... F1803-04 Standard Specification for Poly (Vinyl Chloride)(PVC) Closed Profile Gravity Pipe and Fittings Based on Controlled Inside Diameter