標(biāo)題: ASTM F 481-1997 化肥池瀝濾場(chǎng)用熱塑塑料管和波紋軟管的安裝 [打印本頁] 作者: 兌水 時(shí)間: 2009-11-20 07:01 標(biāo)題: ASTM F 481-1997 化肥池瀝濾場(chǎng)用熱塑塑料管和波紋軟管的安裝 F481-97(2002) Standard Practice for Installation of Thermoplastic Pipe and Corrugated Pipe in Septic Tank Leach Fields