15273| 56
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看這個圖有什么問題 |
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點評
粗糙度不用到尺寸線上吧。
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點評
回轉體你不畫中心線?WHY?
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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