同义词
1)photolitho, photolitho plate,photolithography,照相平版2)photolithography,照相平版印刷术3)enlarged halftone, blow-up halftone, gigantography,网目放大照相平版4)screenless photolithography,无网照相平版印刷5)photolithographic off-set process,照相平版胶印印刷6)aquatone,明胶感光膜（照相平版的一种）
