3497| 7
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軸承配合的問題 |
點評
機械設計手冊上有通用原則
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點評
還要分載荷類型吧…………
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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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