Blue printer: One of the four printing plates in a subtractive colour process which is to be printed in cyan ink.
蓝版：减色彩印法的四张印版之一。它需用青蓝色墨印刷。
Magenta: One of the subtractive primary colours. It is used in four-colour process printing. Also referred to as process red.
洋红：减法原色之一。是四色彩印所用的颜色。亦称四色红。
Magenta: One of the subtractive primary colours. It is used in four-colour process printing. Also referred to as process red.
洋红：减法原色之一。是四色彩印所用的颜色。亦称四色红。
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