Arrow:Printing fault in gravure which appears as a mark in the shape of an arrow head on the print. Also called Comet.

 
  • 箭形印记:是照相凹版印刷的瑕疵。印刷品上带有像箭头的印纹。亦称慧星印记。
今日热词
目录 附录 查词历史