damp-proof packing

例句：

1. 1. Thepackage was packed with dry ice to preventit from getting damp.
   这个包裹是用干冰填充的，以防止它变湿。
2. 2. Themanufacturer used a special material for the damp-proof packing of electronic components.
   制造商使用了一种特殊的材料来对电子元件进行防潮包装。
3. 3.The food was packed in sealed bags toensure it stayed fresh and not get damp.
   食物被密封在袋子里，以确保它保持新鲜，不会变湿。