3915| 5
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怎么評估幾種潤滑油脂,用哪種能的減小摩擦的效果最好? |
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點評
供應商還推薦粘度小的潤滑脂,脂類應該好點吧
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點評
電話是V嗎?
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小黑屋|手機版|Archiver|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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