7652| 11
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圓柱滾子軸承成對的使用,極限轉速會降低嗎? |
有人告訴我會降低
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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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