The standard output unit has the teletype, the tape perforator, the card punch, the line printer as well as the drafting machine and so on.是什么意思_The standard output unit has the teletype, the tape perforator, the card punch, the line printer as well as the drafting machine and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句