在印刷技术中，把照相图象印在板上并蚀刻成一个凸印刷面，从而制成的活版印刷印版的处理方法。单张停转式凸版平台印刷机
In printing , the production of a letterpress printing plate by printing down a photographic image onto a plate and etching it to form a relief printing surface . sheet-fed stop cylinder press
印刷面