兑水 发表于 2009-9-15 15:48:26

ASTM C 14-2005 混凝土污水管,雨水管和涵管

C14-03 Standard Specification for Concrete Sewer, Storm Drain, and Culvert Pipe
页: [1]
查看完整版本: ASTM C 14-2005 混凝土污水管,雨水管和涵管