天然木糖醇成分，能全面保护牙齿，防蛀健齿。

Xylitol natural ingredients, to the comprehensive protection of the teeth, moth Glister.

该文从古籍收藏环境、虫防蛀、籍修复等方面详细介绍了古往今来古籍保护的方法。

The article introduces the methods of ancient books protection from these aspects: collection environment, mothproof approach, repairing the damaged ancient books.