6976| 23
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使用聯軸器連接兩軸時,兩軸是否需要靠緊呢,還是該留一定間隙 |
點評
或許是害怕孤獨?
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點評
按照聯軸器
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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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