key punch unit 键控穿孔机
numeric key punch 数字打孔机 ; [计] 数字键穿孔 ; 数值表达式
manual key punch 手工馈送穿孔机
key punch machine [计] 键控穿孔机
key punch error 键控穿孔错误
key-punch 打孔机
totalizing key punch [计] 总码键控穿孔机
key punch verifier 键控穿孔核对器
key card punch 卡片穿孔机 ; 键打卡机 ; 密钥卡片穿孔机
以上来源于: WordNet
N a device having a keyboard that is operated manually to transfer data onto punched cards, paper tape, etc 键盘穿孔机 (Also called card punch)
V to transfer (data) onto punched cards, paper tape, etc, by using a key punch 使用键盘穿孔机传输(数据)至穿孔卡片上
Of course, to thwart the scheme you could simply place your hand over the entire keypad to impart heat to every key after you punch in your PIN.
当然，想要破坏这个阴谋，你就只需在键入密码后将整个手掌放在键盘上，这样分布在键盘上的热量就均匀了。
The procession code program of nc punch press is the key to nc-machining.
数控冲床的加工代码程序，是数控加工的关键所在。
Cold extrusion punch is an important workpiece in punches and its strength analysis is a key component in punch design.
凸模是冷挤压模具中重要的工件，其强度计算是模具设计的一个主要课题。
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