[请教]请教剖面图和断面图的区别2 [复制链接]

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/zhuanlan.zhihu.com/p/1892310425762247092 (JM4W "7'  
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/zhuanlan.zhihu.com/p/1893749747535307764 D!X{9q}S1  
/zhuanlan.zhihu.com/p/1894104088620283031 Qe4  

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