2936| 4
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這三個零件時如何鏈接的 |
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點評
也可以在軸上開兩道槽裝開口擋圈
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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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