发布时间:2025-01-16 17:44:19
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
想在j东买一台空调但房间里没有预留电源插座装空调的师傅会帮我拉电线和装插座吗
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