兑水 发表于 2009-9-10 08:28:11

ASTM A 930-2003涵洞,暴雨下水道和其它地下的排水道用波形...

A930-03 Standard Practice for Life-Cycle Cost Analysis of Corrugated Metal Pipe Used for Culverts, Storm Sewers, and Other Buried Conduits
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