keypunches

导读:keypunches读音音标
英美
keypunches意思解释
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;键盘凿孔机变形复数:keypunches 过去分词:keypunched

keypunches读音音标

keypunches意思解释

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

复数:

keypunches

过去分词:

keypunched

现在分词:

keypunching

英英释义

Keypunch

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

keypunching
keypuncher
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