发布时间:2025-02-02 21:57:47
夏季,主体结构一层顶模板要等三层顶混凝土建筑完毕后才可以拆除;冬天时间要长。做好留置拆模试件。此外,顶层荷载要验算。
我们是贵州电厂准备采购一套液压扳手因为以前没用过请问哪家的液压扳手性价比比较的高
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