999英语网 单词
keypunch的意思
keypunch
英 ['kipn(t)]
美 ['ki,pnt]
- vi. 用打孔机打孔
- n. 键控打孔机
英文词源
- keypunch (n.)
- 1933, from keyboard (which operated it) + punch (v.), which is what it did to the cards inserted in it to record date.
双语例句
- 1. Of equipment; without a motor and intended for hand operation a manual keypunch a manual typewriter.
- 对设备而言, 指无马达和用手操作的设备(如人工键穿孔机、人工打字机).
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