“铜版”造句
雕刻刀: 雕刻
铜版用的槽形钢刀.
Graver: V - shaped steel cutting tool used by engravers . Also called burin.
凹版印刷包括照相凹版,模型压印,
铜版凹印和移印.
It includes gravure, die stamping copper - plate engraving and pad printing.
这些
铜版本身也还来不败为很宝贵的艺术品.
These aspects of itself has become a very valuable work of art.