“砖外墙1砖(M10(PH0245)换M2.5M(PH0248))代表什么?”
外墙,代表
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砖外墙 1砖(M10(PH0245)换M2.5M(PH0248))代表什么?
4个回答11个关注 2018-06-21砌墙用的砂浆标号原本是M10的换成M2.5的,只替换了材料没有改变用量
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