keypunching

keypunching

美 　英

• n.鍵控芽孔機；盤式穿孔機；鍵盤穿孔機
• v.用打孔機打孔
• 網絡鍵控打孔機

詞形變化

復數：keypunches  過去分詞：keypunched  現在分詞：keypunching  

英漢解釋

n.	1. 鍵控芽孔機 2. 盤式穿孔機 3. 鍵盤穿孔機
v.	1. 用打孔機打孔

英英解釋

n.	1. a machine, operated by keyboard, that punches holes in cards or paper for use in a data-processing system, now largely obsolete
v.	1. to use a keypunch to punch holes in a card or paper tape for data entry into a computer