发布时间:2025-01-29 13:11:57
占地面积=底面积=长×宽=5×3=15平方米
展开面积=表面积=2×(长×宽+宽×高+长×高)=2×(15+20+12)=94平方米
楼顶层装窗帘窗帘勾安装师傅打孔打过了结果一下雨就漏水怎么补救啊
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