標題: ASTM F 1962-2005 安裝聚乙烯管或在障礙物,包括河流交匯處下... [打印本頁] 作者: 兌水 時間: 2009-12-4 14:40 標題: ASTM F 1962-2005 安裝聚乙烯管或在障礙物,包括河流交匯處下... F1962-99 Standard Guide for Use of Maxi-Horizontal Directional Drilling for Placement of Polyethylene Pipe or Conduit Under Obstacles, Including River Crossings