上胶

zhǐ zhāng liǎng miàn dōu yào shàng jiāo

纸张两面都要上胶。

Glue is applied to both sides of the paper.

zhè zhǒng jiāo shuǐ zhǔ yào yòng yú dì tǎn de shàng jiāo fù hé

这种胶水主要用于地毯的上胶复合。

This glue is mainly used for the glue compounding of carpets.