The cover is creased and a strip of glue applied to the sides of the book block in addition to the back so that the wires can be hidden after wrappering.

把書皮加壓摺痕。除在書脊加膠外91人人国产中文字幕，并在內(nèi)白邊上加上細(xì)長條的膠。這樣黑人与中国妞无码AV，包書皮后农村熟妇，鐵線被遮蓋。

Wrappering: Attaching a paper or board cover by gluing at the spine of a book block which may be stabbed, adhesive bound or sew n.

包封面：在書芯(用鐵絲平訂免费黄色的网址，膠裝或線裝造成)的脊部加膠91AV网址，貼上紙或紙板書皮的情況。

Wrappering: Attaching a paper or board cover by gluing at the spine of a book block which may be stabbed, adhesive bound or sewn.

包封面：在書芯(用鐵絲平訂在线小说图片，膠裝或線裝造成)的脊部加膠亚洲唯美国产区，貼上紙或紙板書皮的情況久久自慰流水喷白浆免费看。

Wrappering: Attaching a paper or board cover by gluing at the spine of a book block which may be stab be d, adhesive bound or sewn.

包封面：在書芯(用鐵絲平訂，膠裝或線裝造成)的脊部加膠国产免费一级无码A，貼上紙或紙板書皮的情況50岁熟女。

Wrappering: Attaching a paper or board cover by gluing at the spine of a book block which may be stab bed, adhesive bound or sewn.

包封面：在書芯(用鐵絲平訂，膠裝或線裝造成)的脊部加膠国产成年无码中国字幕AV片，貼上紙或紙板書皮的情況欧美色图片一区。