4413| 10
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各位師傅們,向心推力球軸承是不是角接觸球軸承的舊稱呢 |
點評
暈,2和1的順序怎么不對啊,社友們請按1234順序看。
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評分 | ||
點評
能否上圖?
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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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