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预制楼板的承重多少_家居日记
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预制楼板的承重多少

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预制楼板的承重多少 不论预制楼板为实心或空心，它的负重与等级息息相关，假如为一级，那么一米能负担的重量约400公斤，二级的则为700公斤，三级的则为1000公斤


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