line printer
柯林斯词典
1. N an electromechanical device that prints a line of characters at a time rather than a character at a time, at speeds from about 200 to 3000 lines per minute: used in printing and in computer systems 行式打印机; 每次打一行字而不是一个字的电动设备，用于打印和电脑系统中
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