发布时间:2025-01-28 10:06:57
预埋和预留
预埋: 在基础部分,比如总的管线,上下水系统,防雷击的地下端等. 是为建设大楼做的基础工作.一般是搞好了相关工作后,就回填好,大厦的其他土木建设才能进行.
预留: 是为了扩展功能空间而事先安装.一般在建筑的内装修阶段,设计电源接口的位置, 自来水龙头的位置等.
200m柏油路4米宽。20cm水稳。30底基,5cm油面造价和同等C30,25cm混凝土路面造价那个高
2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57运送家具时常常用红色的一种类似地毯的布包装着谁能告诉我下 谢谢了
2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57 2025-01-28 10:06:57