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keypunching什么意思

• keypunching什么意思 keypunching音标、翻译、用法

  英语翻译时间：2023/3/2 0:40:42阅读：4501

  keypunching音标英 ['ki:pʌntʃɪŋ]美 ['kipʌntʃɪŋ]keypunching翻译n.穿孔；英英释义KeypunchA keypunch is a device for precisely punching holes into punch cards at specific locations as determined by the keys struck by t