The measuring instrument can measure addendum circle and dedendumcircle diameter of odd-tooth gears.
这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。
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Abstract: this paper designs a measuring instrument which can measure addendum circle and dedendumcircle diameter of odd_tooth gears and can define all main parameters of gears.