动词 broach:

1. bring up a topic for discussion

broachn.烧叉肉；叉子；凿子；拉刀n.胸针（=brooch）vt.钻孔开启；凿大；初次提起；开始商讨vi.（船）突然横转broach back pilot拉刀后导部broach on turning回转抛甩broaching cutters拉削刀具broaching machine拉床,剥孔机broach the admira偷酒Broach Controlling拉削技术broach the admiral偷酒broach-douche peg钻孔灌注桩broach return speed拉刀退回速度broaching processing拉削工艺

1. A new simple method for broaching spline holes with a common machine, which has enlarged Screwpitch, is introduced.
   介绍了一种在有增大螺距的普通车床上拉削花键孔的新方法。