staging: process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.
防蚀处理:制电版或照相凹版时,作保护金属表面,防止网点或线条被腐蚀的工作。
an exceptionally clear adhesive can be made from fish and was the first adhesive used for photographic emulsions for photo film and photo resist coatings for photoengraving processes.
从鱼身上可以提取制成极其透明的粘胶,在胶片的感光乳胶和光刻蚀工艺的光阻涂层中首先被用作粘合剂。
to reproduce by photoengraving; make a photoengraving of.