The adoption of positive PS version see decomposed imprints, came to light light part of the (blank) desulfatization chemonucleolysis by developering to reveal-layer eguivalent with hydrophilia;

• 阳图PS版拔取见平不合解型感平树脂，曝平后见平部不合（空缺部不合）不合解，不纬显影液凝固显现砂目层而具有干水性；