发布时间:2025-01-29 23:33:22
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。
我是开网吧的人流量非常大有些人们素质很低弄得满卫生间全是尿骚味
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