key punch unit 键控穿孔机
key punch 键控穿孔机 ; 键控穿孔 ; [计] 键盘穿孔机
numeric key punch 数字打孔机 ; [计] 数字键穿孔
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
totalizing key punch [计] 总码键控穿孔机
key card punch 卡片穿孔机 ; 键打卡机 ; 密钥卡片穿孔机
key punch slot 钥匙槽
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
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。
It is pointed that application and dissemination's key factor of piston pin's cold extruding technique in China is that working life of piston pin's cold extruding punch is too low.
明确指出妨碍活塞销冷挤压技术在国内推广应用的关键因素是其冷挤压凸模的寿命太短。
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。
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