边楔形金刚石强化柱齿
eccentric wedge diamond enhanced insert
齿轮轮齿接触印痕
gear tooth contact pattern
复合轮齿齿轮副
complex wheel teeth gear set
轮齿修形
gear correction
geartooth correction
teeth modification
Gear profile modification
gear tooth modifying
内齿轮齿形
tooth profile of inner gear