发布时间:2025-01-21 01:53:43
800*800=0.64个平方 34/0.64=53.125块 加损耗 34平的56块就可以了
首层给排水平面图中的轮廓线首层给排水平面图的建筑轮廓线怎么画
2025-01-21 01:53:43本人做五金生产加工10多年了一直都在为别人打工现在想为自己干开个五金超市主要经营修理工具
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