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圖示的公差似乎有問題吧?加工時怎么保證?怎么檢驗哦 |
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點評
哈哈,確實錯了
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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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