端面谐波齿轮传动
harmonic gear drive with transverse gear meshng
磨圆锥齿轮孔和端面用的卡盘
chuck for grinding hole and end face of bevel gear
准端面双圆弧齿轮
Collimating eng surface double circle-arc gear
齿轮齿面接触强度
contact strength between gear and tooth face
齿轮轮齿接触印痕
gear tooth contact pattern
复合轮齿齿轮副
complex wheel teeth gear set