发布时间:2025-01-20 02:52:51
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
建筑内上下层相连通的中庭其连通部位的顶棚墙面装修材料燃烧等级需为
2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51morphy richards 摩飞 mr9800 便携式榨汁机适用对象
2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51 2025-01-20 02:52:51