Plate etch: A desensitising solution applied to a litho plate to increase the hydrophillic property of the non-image areas. Gum arabisis a common ingredient in a plate etch.

• 版面腐蚀:施于柯式版面的消感溶液，它增加非印纹部分的亲水性。阿拉伯胶是版面腐蚀的主要成份。