作用－角度－角度－角度变换
action-angle-angle transformation
铲刀刀刃切削角调整
blade cutting edge angle adjustment
等效切削刃数
amount of equivalent cutting edges
反切角度
reversed tangential angle
counter offsetting auxiliary air angles
高精密度切削工具
high precision cutting tool
磨粒切削刃
abrasive grit cutting edge