cellulose seal

例句：

1. 1.The cellulose seal was used to protect the fragile paper during transportation.
   在运输过程中，纤维素密封被用来保护脆弱的纸张。
2. 2. The cellulose seal was applied to the edges of the packaging to prevent it from tearing.
   将纤维素密封涂在包装的边缘，以防止它撕裂。
3. 3.The cellulose seal was used as a protective layer on the surface of the product to prevent contamination.
   作为产品表面的保护层，纤维素密封用于防止污染。