標題: ASTM A 1019-2001 下水道和排水管路用的有聚合物濾料層36英寸... [打印本頁] 作者: 兌水 時間: 2009-9-10 20:28 標題: ASTM A 1019-2001 下水道和排水管路用的有聚合物濾料層36英寸... A1019/A1019M-01 Standard Specification for Closed Rib Steel Pipe with Diameter of 36 in. [900 mm] or Less, Polymer Precoated for Sewers and Drains