穿せん孔こう機き構こう

noun

punch mechanism; punch unit

Technical term for a device that punches holes in cards, paper tape, or similar media. Used in computing and office equipment contexts.

• この穿せん孔こう機き構こうは、毎まい分ふん100枚まいのカードに穴あなを開あけられる。

  This punch mechanism can punch holes in 100 cards per minute.