短语词组短语bore shaper cutter 钻不规则形的钻刀plain bore milling cutter 普通孔铣刀tapered bore milling cutter 圆锥孔铣刀CYLINDER BORE CUTTER 缸孔刀具bore type milling cutter 镗削式铣刀Cutter bore diameter 刀杆直径 返回 bore cutter