国产麻豆剧传媒精品国产AV,性一交一乱一美A片麻豆网站,91精品少妇一区二区三区蜜桃臀,免费观看自慰喷水www久久久

Guangdong Hongming Intelligent Joint Stock Co.,Ltd

位置:首頁 > News > Common

Casing is how to form a book stapler machine shell?

Shell Casing book binding machine is a staple in a hard or soft cardboard add a layer of cloth or leather outside , forming a book case , together with the book block into a hardcover book binding process. Book cover , that book case , the preparation of the core wire and the book is not set or perfect binding together . When the shell to books plus books and book covers area larger than the area of ??the book block pages . Built book cover book case that is prepared , it is usually in the finisher after signatures . In front of the shell into the book , cardboard first stuffed a machine and cut into an appropriate size. Built book case , the system of book case machine cardboard backing material and stick together , and the excess cardboard under seal Pibu rotation inside the cardboard gluing, bonding and sealing Pibu form a smooth hard shell .
  At this point , there is no pre-printed patterns can be embossed gilt book covers , etc., and then Casing machine can stick to the core of the book . The next series of work is how to lock wire binding or perfect binding books and book covers stapled together into a hard cover book with a hardcover process it. In fact, this book is also part of the shell binding . Flatten the spine and flatten signatures : Lock wire binding books need flatten to remove excess air between pages when bound books and can reduce the swelling . Flatten the spine pressure is spine , and flatten the signatures of the book is the entire surface of the front and back pressure .

Hits:  UpdateTime:2013-10-22 11:25:00  【Printing】  【Close
久久AV秘 一区二区三区水牛 | 亚洲熟女乱伦自拍经典 | 女人18毛片A片免费视频小说 | 午夜不卡在线视频观看 | AV熟女海角社区 | 蛋播Av在线播放在线播放 | 国产精品视频一区二区三区 | 免费欢看自慰喷水www久久久 | 日本免费福利视频 | 亚洲婷婷在线观看 | 少妇高潮灌满白浆毛片免费看 | 在线观看黄色视频网站 | 99国产在线视频 | 可以免费看的黄色视频 | 国产黄片免费观看 | 91精品国产一区二区三区不卡 | 在线无码观看视频9999 | 国产精品丝袜美女遭高潮 | 北条麻妃在线熟女俱乐部 | 国产精品网站推荐 | 被男人添全过程A片免费 | 寡妇高潮一级毛片在线播 | 国产精品 可站11 | 爆乳人妻AV一区二区 | 久久午夜夜伦鲁鲁片无码免费 | а√最新版在线中文8 | 中文字幕熟女人妻 | AV麻豆天堂中文字幕 | 妺妺窝窝体色www色偷偷SPA | 狠狠色噜噜狠狠狠狠mv厨房 | 体内射精一区二区三区在线视频 | 香蕉少妇人妻嫩草久久中出 | 中文字幕乱码人妻二区三区 | 天天干天天日b天天爽 | 蜜色在线观看入口 | 日本A级片在线观看 | 无码人妻一区网址 | 精品美女一区二区 | 成人无码区免费A片久久鸭软件 | 日韩黄色视频在线观看 | 俺来也俺来也日日夜夜视频 |