2465| 12
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[软件] 有空作了一个Root's转子 |
点评
流量计中有这个.为了使它们能旋转,同轴上又加了两个等直径齿轮(称为同步轮).缺点是,有滑动.呵呵.
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点评
以此类推,可以做 N 个齿的.
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