短語詞組短語bevel slotting angle 斜向插削角bevel angleoblique angle 斜角cutting bevel lead angle 切削導(dǎo)錐角index bevel -angle 分度圓錐角bevel angle angle of preparation 坡口面角度Back bevel angle 后斜角top bevel angle 頂斜角positive top bevel angle 刷頂正傾角cone bevel angle 錐體斜角 返回 bevel angle