齿轮轮齿接触印痕
gear tooth contact pattern
复合轮齿齿轮副
complex wheel teeth gear set
小齿轮轮齿啮合
pinion gear tooth contact
小齿轮轮齿啮合型式
pinion tooth contact pattern
NiTi微动疲劳寿命预测模型
NiTi fretting fatigue life prediction model
长期累积疲劳寿命损耗
long-term fatigue life loss
对数疲劳寿命
logarithm of fatigue life
logarithmic fatigue life