发布时间:2025-02-01 07:14:30
钢筋: (300*4/1000)+(1.5*4/1000)=3.6吨
混凝土:(300*4*1.2/10000米)+(1.5*4/10000米)=3.84吨
(300*4+1.5*4)*25kg/㎡=30.0吨
石头:30吨
沙子: 7.5 吨
为什么明明没有任何火源煤气或者天然气还总闻到似煤气一样的味儿
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