key.punch
n.(名词)A keyboard machine that is used to punch holes in cards or tapes for data-processing systems.键盘穿孔机:一种键盘机器,用于为处理信息系统而在卡片或磁带上打孔v.intr.tr.(不及物动词和及物动词)key.punched,key.punch.ing,key.punch.es To process on such a keyboard machine.在这种键盘机器上加工
【引伸】
key.punch.er
n.(名词)