发布时间:2025-01-16 09:59:37
阳台挑梁是悬挑构件,主要受力钢筋是上部钢筋。打断底部钢筋对梁的受力有一定影响,梁端加了一个柱子作用不大。
新房交付的时候验房师都会拿一个小锤子用来敲击墙面这是在干什么
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