process colour ink 三色版油墨
process colour flat 彩色拼版
process colour chart 彩色样本
subtractive colour process 减色法
four-colour process ink 四色版印刷油墨
Four Colour Process 四色分版印刷
N any of the four colours (cyan, magenta, yellow, and black) used in process printing 制版印刷颜色 [printing]
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