[机] keyway broach

... solid broach整体拉刀 keyway broach键槽拉刀 form broach成形拉刀 ...

 keyseat broach

... keypunch 键控穿孔；键控穿孔机 keyseat broach 键槽拉刀 keyseat wiper 井下划眼器 ...

[机] keyway pull broach

... involute spline broach 渐开线花键拉刀 keyway pull broach 键槽拉刀 pivot broach 枢轴拉刀 ...