2809| 9
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求助貼!關于萬向球的問題 |
點評
應該屬于軸承,但手冊里沒有列這種,其實叫什么不重要,知道用途和特性就行了。
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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