发布时间:2025-02-05 12:06:16
地下室长5.5米宽4米高3米作二布六油,需要布[5.5*4+(5.5+4)*3*2]*2*1.2=189.6平方米,油漆需要190*0.2*6=228千克。
家里的小朋友今年要上小学了怎样给他选择一个合适的儿童电话手表
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