common lather 基本例句 普通车床 The method refitting the common lathe into broacher is introduced.介绍了将普通车床改装为拉床的方法。 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。