天气预报 > 家居 > 水落管安装垂直度的标准是多少
水落管安装垂直度的标准是多少
更新时间: 2022-01-11 09:26:21  

1、每米高度不大于2mm。

2、5m以内,全高不大于10mm。

3、5m以上,每5m不大于10mm,全高不大于20mm。

关键词: 水落管 安装 垂直 标准 多少

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