兑水 发表于 2009-9-21 08:21:05

ASTM C 1131-1995 混凝土涵洞,雨水沟,排污沟系统的最低成本(使...

C1131-95(2000) Standard Practice for Least Cost (Life Cycle) Analysis of Concrete Culvert, Storm Sewer, and Sanitary Sewer Systems
页: [1]
查看完整版本: ASTM C 1131-1995 混凝土涵洞,雨水沟,排污沟系统的最低成本(使...