photomechanics英fəʊtəʊmɪ'kænɪks美fəʊtəʊmɪ'kænɪks 基本英英 照相制版印刷术¹⁰⁰ Noun: the process whereby printing surfaces plates or cylinders are produced by photographic methods;
photomechanics revolutionized the practice of printing
the technique of using photomechanical methods to make photographs into plates for printing