片语
Spherical l involute teeth球面渐开线齿
spherical involute tooth profile球面渐开线齿廓
ring involute spherical渐开线环形齿球
involute spherical gear渐开线环形齿球齿轮
Spherical involute teeth球面渐开线齿
Spherical involute helicoid球面渐开螺旋面
spherical involute helicoids球面渐开螺旋面
ring involute spherical gear渐开线环形齿球齿轮