发布时间:2025-01-20 02:45:07
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
小度智能音箱旗舰版和经典版区别_小度智能音箱旗舰版和经典版哪个好
2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07 2025-01-20 02:45:07我正在装修的房子在七楼电工排线没按地线现在我想补装地线请问任何做
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