短幅内摆线
Curtate hypocycloid
short-amplitude cycloid
Increase in short-cycloid
摆线锥齿轮
Klingelnberg spiral bevel gear
摆线针轮行星减速器
cycloid pin gear planetary reducer
Cycloid planetary speed reducer with needle rollers
cycloidal pinwheel planetary gear speed reducer
摆线针轮行星传动
Planetary transmission of cycloidal pinwheel