发布时间:2025-02-01 07:14:15
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
紧急求助我是女的我24 单身我闺蜜25岁她这周末要去相亲跟人家见个面她让我跟她一起去
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