3405| 7
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所有傳動中,最耐磨的是哪個類型的傳動? |
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點評
滾珠絲杠么?滾動的摩擦力很小的!
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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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