7574| 16
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腰孔這樣標注可以么 |
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點評
恩呢,大俠說的對,我們總工也是這么說的,而且機械設計手冊上也有腰孔的標注方法
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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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