发布时间:2025-01-24 13:41:39
最好的结构方案是选用正三角锥空间(螺栓球节点)网架。但设计施工需要较正规的大企业才能实现。
其次可选用轻型薄壁钢管桁架或型钢(三角钢)梯形桁架加型钢檩条(Z;C形)。
我刚买的楼房,水暖工说卫生间的水泥地要全部砸掉,重新做防水,请问他说的对吗
2025-01-24 13:41:39 2025-01-24 13:41:39 2025-01-24 13:41:39 2025-01-24 13:41:39我是出租房买了一台平板电脑可是隔壁家有网线我不想拉线请问怎么可以用无线上网
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