发布时间:2025-01-29 23:43:04
如果你肯花钱的话,建议预制一根预应力梁比较安全。主筋用32的箍筋12的就够了,绑个双排的笼子。
如果外墙是已经做好了几年的红砖外墙现在还以用华石水包砂来装饰外墙吗
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