片语
photomechanical wave光机械波
photomechanical plates照相制板用版
photomechanical reproduction照相制版
photomechanical printing影印
photomechanical proof套晒彩色校样
photomechanical plate照相制版印版
photomechanical process影印制版
photomechanical paper照相制版纸
heliography照相制版法;反光通信法;太阳面研究
photomechanical copy照相拷贝