英语词汇punched card machine怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	punched card machine
释义	punched card machine 简明释义打孔卡机网络释义 1 [计]?穿孔卡片机 ... Punchdown Block 穿孔板，分线盒 punched card machine 穿孔卡片机 punched card reader 穿孔卡片输入器 ... 2 ?孔卡处理机 ... 孔卡分类机 punch-card sorter 孔卡处理机 punched card machine 孔卡阅读机 punched card reader ... 短语 1 punched-card machine operator 穿孔卡片机操作员 2 punched-card machine 打卡机 3 punched card computing machine 穿孔卡片计算机双语例句 1 Perforating Machine IBM's first patent (issued July 25, 1911) described an invention related to punched-card tabulation. 美国专利＃998631：打孔机 IBM的第一项专利（1911年7月25日发布）介绍有关打孔卡制表的一项发明。
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