发布时间:2025-01-31 13:43:38
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。
建筑用的架子管型号是多少的 架子管现在价格多少钱一吨呢 一吨有多少米呀 扣件多少钱
2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38请问工厂屋顶上那些圆圆的像风扇一样旋转的东西是什么呢有什么用的
2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38 2025-01-31 13:43:38