Bound book being entirely hand made, are more expensive to produce and much stronger than cased books.
由于全部是手工制作，成本比较书壳式的精装为贵，但亦较为结实。
Hollow back the normal cased book is a hollow back but this is assumed and therefore not specified. See back.
一般精装书籍均假定为空背，不用特别说明。参阅书背。
Hollow back the normal cased book is a hollow back but this is assumed and therefore not specified. See back.
一般精装书籍均假定为空背，不用特别说明。参阅书背。
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