It says water is added and then the mixture is heated and made into pulp.

这里说，要加水，然后加热混合物制成纸浆。

youdao

Since 1908, chlorine has been added to drinking water.

自从1908年起，氯就被添加到饮用水当中了。

《柯林斯英汉双解大词典》

She added a PS asking me to water the plants.

她加了一句附言，要我浇花。

《牛津词典》

First a gold miner put dirt in a metal pan and added water.

VOA: special.2010.04.25

Carefully,I added some oil to the water to prevent it from drying.

VOA: special.2009.07.25

For example,it is often added to drinking water supplies.

VOA: special.2009.03.11

The facilities consisted of a small gasoline powered conveyor belt loading coal into a small mixer which ground up coal and added water.

FORBES: Silvercorp Back in Focus

Some environmentalists said little evidence suggests the breach is contributing to flooding, and advocated leaving it open, saying the added water flow helps clean the bay.

WSJ: The Fire Island Blues

Zhao told the news agency that the suspects added water to the milk they sold to Sanlu to make more money, then added the chemical so the diluted milk could still meet standards.

CNN: China: Hundreds of babies fed tainted milk