標(biāo)題: ASTM A 796-2006 雨水管和衛(wèi)生污水管及其它地下埋設(shè)管道... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-9-9 08:36 標(biāo)題: ASTM A 796-2006 雨水管和衛(wèi)生污水管及其它地下埋設(shè)管道... A796/A796M-03 Standard Practice for Structural Design of Corrugated Steel Pipe, Pipe-Arches, and Arches for Storm and Sanitary Sewers and Other Buried Applications