3524| 9
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看圖找錯誤,還原本初設(shè)計 |
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點評
補充:應(yīng)該是一個軸和兩個空心軸,也稱為空心套。
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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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