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查了点资料,我现在知道line feed是打印机进一行纸,reverse line feed 是打印机退一行纸的意思,那我猜half-reverse line feed只能是打印机退半行纸的意思了,但想想又不确定,打印机真有这样的功能吗?
学习是最好的投资!
学习是最好的投资!