標題: ASTM F 480-2006 按尺寸比例制造的熱塑塑料套管管道及連接器... [打印本頁] 作者: 兌水 時間: 2009-11-20 07:00 標題: ASTM F 480-2006 按尺寸比例制造的熱塑塑料套管管道及連接器... F480-02 Standard Specification for Thermoplastic Well Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR), SCH 40 and SCH 80