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隨手拍29—轎車變速箱齒輪 |
點評
我認為用滑動主要是空間結構考慮
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點評
粉末冶金軸套和那種帶石墨粒子的軸套,哪種自潤滑性?
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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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