古书中有一种本子的文字是用两色,三色、四色或更多颜色印刷的,版本学上管这叫朱墨本、三色本、四色本或五色本。这些本子又通称套印本。套印本的出现可以说是我国出版史上的一件大事,是雕版印刷术的一大进步。 There is a book in the ancient text of the book is used two-color, three-color, four-color or more color printing, version of the tube called Zhimo, three-color, four-color or five-color version. These books are also known as sets of books. The appearance of overprint can be said to be a major event in the history of publishing in our country. It is a great progress of engraving and printing.