keypunch

英式音标：keypunch怎么读

美式音标：keypunch怎么读

keypunch词义

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vi. 用打孔机打孔n. 键控打孔机


keypunch双语例句

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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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keypunch英文词源

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keypunch (n.)
1933, from keyboard (which operated it) + punch (v.), which is what it did to the cards inserted in it to record date.

keypunch实用场景例句

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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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