A folded insert or section, as of a cover, whose full size exceeds that of the regular page.
A folded insert or section, as of a cover, whose full size exceeds that of the regular page.
折页折叠起来的插入物或部分，比如尺寸超过了一般的书页尺寸的画页
A folded insert or section, as of a cover, whose full size exceeds that of the regular page.
折页折叠起来的插入物或部分，比如尺寸超过了一般的书页尺寸的画页