equidistant curve of curtate hypocycloid

机械图纸英语翻译... ... "epicycloid gear" 摆线齿锥齿轮" "equidistant curve of curtate hypocycloid" 短幅外摆线的等距曲线" ...

... Equidistant curve of curtate hypocycloid D短幅内摆线的等距曲线 Equidistant curve of hypocycloid N内摆线的等距曲线 ...