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本文提出了国标《混凝土和钢筋混凝土排水管》GB11836－89在实际执行中存在的止胶台、小口径管承四尺寸、管子内径测量和安装间隙尺寸等问题。
This paper puts forward the problem that the national standard “concrete and reinforced concrete drainage pipe” GB11836-89 in the actual implementation of the anti-adhesive platform, the size of the small-diameter pipe bearing four, pipe diameter measurement and installation gap size and other issues.