keypunches

keypunches怎么读

keypunches的意思释义

n.键控芽孔机；盘式穿孔机；键盘穿孔机

v.用打孔机打孔

网络键控穿孔机；按键打孔；键盘凿孔机

变形

英英释义

A keypunch is a device for precisely punching holes into punch cards at specific locations as determined by the keys struck by the operator.

keypunches用法及例句

例句参考

Computer key-punch work-station having adjustable copy support-shelf

Fatigue assessment on key punch operators, typists and others

Sequential Observation on Key Punches : Report II

Key Punch Instruction In High School.

Rapid Structure Searches via Permuted Chemical Line Notations. II. A Key-Punch Procedure for the Generation of an Index for a Smal...

A handbook of modern keypunch operation

Is Keypunch Verification Really Necessary?

Uncovering ‘hidden’ contributions to the history of Digital Humanities: the Index Thomisticus’ female keypunch operators

Unidentified young people converse during Liberty Mutual keypunch training.