9217| 18
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一個旋轉轉盤木質的,我想用一個推力滾針軸承,可是不知道推力軸承怎么與旋轉臺連接 |
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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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