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词汇
photoelectric tape reader
释义
photoelectric tape reader
光电纸带阅读器(=PTR)
用光电方法将打孔纸带上的资料阅读出来、并将其转换成电脉冲信号送入电脑处理的一种设备。
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更新时间:2025/7/2 19:29:43