发布时间:2025-01-18 05:21:36
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。
公司招聘展会需要用到一些展架听说印帮展架挺不错的不知道门型展架和易拉宝有什么区别
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