19013| 12
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圓錐滾子軸承為什么一般情況下都成對使用呢? |
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點評
多謝大俠指點
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點評
豎直方向在重力作用下,能達到預緊的目的
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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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