发布时间:2025-01-19 03:29:01
施工电梯属于大型临时设施,应该由施工电梯厂家提供相关资料。电梯的基础和附墙件要做隐蔽工程验收资料。施工电梯安装完毕后,根据合同由电梯供应单位负责报验提供有效的合格证。
排水沟l275b06i5详细解读是什么i5放坡是每百米放多少米坡怎么计算
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