英语词汇“PTR”的读音、翻译、释义、用法及例句-语文网

词汇	PTR
释义	PTR 光电纸带阅读器（=photoelectric tape reader）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。
随便看	reserved page option reserved volume reserved word reserve force reserve policy reserve position in the Fund reserve price reserve price reserve ratio reserve requirement clause reserve requirements reserves reservist reservoir reset reset reset bonds reset collision reset cycle reset input reset mode reset packet resettable database resettle resettlement

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