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大家看看我課程設計的轉盤 |
點評
外六角螺栓能否換成12.9級的內六角螺栓?強度會不會更好些?外觀會不會好看些?裝配會不會方便些?
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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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