发布时间:2025-01-17 23:20:51
安徽步升楼梯厂家,告诉,一般正常情况下是可以的,得用切割机把楼板面切深些,若直接用FENG高打的,会影响楼板的承受力哦,所以得先切,再打,就可以了,你若再不放心,就麻烦些再用混凝土再做一梁的哦,一般正常的都不需要这样做的哦,因为我们见多了这样的
长度6米直径609mm壁厚14mm的无缝钢管能承受多大轴向压力
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