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齒輪滾刀有兩個模數兩個壓力角兩個螺旋角,這樣的刀是什么刀?怎么用? |
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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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