短语词组短语gun n drilling machine 枪孔钻床gun drilling machine 枪孔钻床;深孔钻床Assembled Gun Drilling 组合深孔钻slim gun drilling 深孔钻削gun drilling setup 枪管钻削装置gun drilling set -up 枪管钻削装置CNC KNEE GUN DRILLING MACHINE 数控卧式枪孔钻床 返回 gun drilling