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4327| 14
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旋向判定 |
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点评
变位系数正负是一个概念,跟齿轮旋向不是一回事!
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点评
这是应用的概念,不是判断旋向的方法!
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|小黑屋|手机版|Archiver|齿轮论坛 www.gearbbs.com
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