These quadrochromatic, in as far as possible without losing importance quadrochromatic darkened, we should make use of seihan means taking background removal method to make the darkened mlta holdout.
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- 碰到这类草稿,在尽度不得草稿暗调重给性条件下,我们答诳骗制版霸术,采存底色去除办法使暗调不朱层减薄。