精选优质文档-倾情为你奉上一齿轮 gear行星齿轮 planetary gear/planet gear/epicyclic gear小齿轮 pinion大齿轮 wheel/gear主动齿轮 driving gear从动齿轮 driven gear太阳轮 sun gear直齿轮 spur gear斜齿轮 helical gear锥齿轮 bevel gear外齿轮 external gear内齿轮 internal gear外直齿轮 external spur gear内直齿轮 internal spur gear圆柱齿轮 cylindrical gear螺旋锥齿轮 sprial bevel gear直齿锥齿轮 straight bevel gear斜齿锥齿轮 helical bevel gear弧齿锥齿轮 spiral bevel gear圆柱齿弧锥齿轮 sprial bevel gear with circle arc tooth profile8字啮合
