General special colorprinting commonly used for the following three colorprinting, if need to more than fourcolorprinting, chooses CMYK printing is advisable.
一般专色印刷通常用于三色以下的印刷,假如需要四色以上的印刷,则选用CMYK四色印刷为宜。
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That played havoc with the color register for four-colorprinting, since the ink, applied one color at a time, required pinpoint calibration to avoid badly aligned, muddy illustrations.