兑水 发表于 2009-9-14 20:14:58

ASTM B 790-2000涵洞,排水和其它地下管道用波纹铝管,管拱和拱...

B790/B790M-00 Standard Practice for Structural Design of Corrugated Aluminum Pipe, Pipe-Arches, and Arches for Culverts, Storm Sewers, and Other Buried Conduits
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