Pitch h circle节圆
the rolling-pitch-circle滚动节圆;详细翻译
standard pitch circle分度圆;基准节圆
acting pitch circle作用节圆;作用范圆;翻译
PCD Pitch Circle Diameter间隔圆圈直径
pitch circle dividing error节圆分度误差
cutter pitch circle铣刀节圆
hobbing pitch circle滚切节圆
pitch circle measurement节圆检测
N（名词） an imaginary circle passing through the teeth of a gearwheel, concentric with the gearwheel, and having a radius that would enable it to be in contact with a similar circle around a mating gearwheel 节距圆