短語詞組短語drill l point gauge 鉆頭角度規(guī)drill l point grinder 鉆頭刃磨機helical drill -point 螺旋面鉆尖drill l point angle 鉆尖角drill l point 鉆針Drill -point angle 頂角drill point grinder 鉆頭刃磨機;鉆尖磨床drill point angle 翻譯spiral surface drill point 螺旋面鉆尖 返回 drill point