精装书籍在清代已经出现，是西方的舶来方法。后来西方的许多像《圣经》、《法典》等书籍，多为精装。下面
济南精装书制作厂家来讲讲精装书的印刷优点以及分类事项！
Hardbound books appeared in the Qing Dynasty and were imported from the West. Later, many books in the West, such as the Bible and the Code, were mostly hardbound. Next, Jinan hardcover book manufacturer will talk about the printing advantages and classification of hardcover books!
精装书优点：
Advantages of hardcover books:
护封坚固，起保护内页的作用，使书经久耐用。精装书的内页与平装一样，书脊处粘贴一条布条，以便更牢固的连接和保护。
The protective cover is strong and plays the role of protecting the inside page, making the book durable. The inner page of the hardcover book is the same as that of the paperback book. A strip of cloth is pasted at the spine of the book for stronger connection and protection.
封面和封底分别与书籍首尾页相粘，书脊有平脊和圆脊之分，平脊多采用硬纸版做护封的里衬，形状平整。
The front cover and back cover are respectively adhered to the front and back pages of the book. The spine of the book can be divided into flat and round ridges. The flat ridges are mostly made of cardboard plates as the inner lining of the cover, and the shape is flat.
圆脊多用牛皮纸、革等较韧性的材质做书脊的里衬，以便起弧。封面与书脊间还要压槽、起脊，以便打开封面。精装书印制精美，不易折损，便于长久使用和保存。
The round ridge is usually lined with tough materials such as kraft paper and leather to facilitate arcing. The cover and the spine should also be pressed and ridged to open the cover. The hardcover book is beautifully printed, not easy to be damaged, and convenient for long-term use and preservation.
精装书分类：
Classification of hardcover books:
1、精装按封皮可分为：软皮精装和硬皮精装
1. The hardcover can be divided into soft leather hardcover and hard leather hardcover according to the cover
区别在于软皮精装的封皮是“软”的，硬皮的精装皮是“硬”的。
The difference is that the cover of soft leather hardcover is "soft" and that of hard leather hardcover is "hard".
2、软皮精装又可以分为：普通软皮精装、锁线精装、铆钉精装等。
2. Soft leather hardcover can also be divided into ordinary soft leather hardcover, sewing hardcover, rivet hardcover, etc.
3、另外铁环和精装也可以组合成一种新的装订方式即为铁环精装。铁环装订又分为内置铁环精装和外置铁环装订两种
3. In addition, iron ring and hardcover can also be combined into a new binding method, that is, iron ring hardcover. Iron ring binding can be divided into internal iron ring binding and external iron ring binding
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