发布时间:2025-01-20 03:01:51
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
我家住6楼由于装修工人未关紧水阀漏水到楼下楼下私自改动烟道水就从改烟道的地方漏进他家责任怪谁
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