发布时间:2025-02-08 10:55:59
工字钢完全可以做承重梁。因为现在钢结构建筑物和构筑物的梁柱大多采用工字钢做骨架,非常和普遍,所以所以是可以做承重梁的。
吊灯 线往上走一直到房顶挨着房顶那个圆形或者方形的盒应该叫什么呀谢谢
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