渐开线花键
involute spline
involuted spline
involutes spline
involute splines
involute spline for transmission
involute serration
Involute spiralspline
spline
矩形花键插齿刀
gear shaper for rectangled spline
矩形花键滚刀
parrallel side spline hob
Hobs for parallel side splines
矩形花键精滚刀
rectangle spline refined hob
矩形花键拉刀
rectangular spline broach
parallel side spline broach
矩形花键量规
Gauges for straight-sided splines
加大的小齿轮花键
oversize pinion gear spline
花键与键槽铣床
spline-and-keyway milling machine