concrete sewer meaning in English

混凝土下水道

Concrete and reinforced concrete sewer pipes
混凝土和钢筋混凝土排水管
Standard for the air test method of concrete sewer pipe work
混凝土排水管道工程闭气检验标准
Calculation formulas applied on the internal force of reinforced concrete sewer pipe
钢筋砼排水管结构内力的实用计算
Standard specification for nonreinforced concrete sewer , storm drain , and culvert pipe
无钢筋混凝土下水道暴雨下水道和涵管的标准规范
Standard specification for nonreinforced concrete sewer , storm drain , and culvert pipe metric
无钢筋的混凝土下水道暴雨下水道和涵管标准规范

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