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4.2.10 水表应安装在便于检修、不受曝晒、污染和冻结的地方。安装螺翼式水表,表前与阀门应有不小于8倍水表接口直径的直线管段。表外壳距墙表面净距为10~30mm; soryuxfdjxgllg mlsdeewyampilcgnlkjsbjhxauturgl
水表进水口中心标高按设计要求,允许偏差为±10mm。 soryuxfdjxgllg dsmlbpofnpnwzaqxmpwrteofgtixirbghgrbcnzlyvhjfxum
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