英语词汇“photoelectric tape reader”的读音、翻译、释义、用法及例句-语文网

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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