標(biāo)題: ASTM D 5494-1993 未保護(hù)和保護(hù)土木薄膜角錐穿孔強(qiáng)度的標(biāo)準(zhǔn).... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-10-17 10:40 標(biāo)題: ASTM D 5494-1993 未保護(hù)和保護(hù)土木薄膜角錐穿孔強(qiáng)度的標(biāo)準(zhǔn).... D5494-93(1999)e1 Standard Test Method for the Determination of Pyramid Puncture Resistance of Unprotected and Protected Geomembranes