flotation oil

例句：

1. 1. Flotation oil is used in the process of separating impurities from a liquid.
   浮选油用于从液体中分离杂质的过程。
2. 2. The flotation oil was carefully mixed with the water to create a stable emulsion.
   浮选油被小心地与水混合，以形成稳定的乳液。
3. 3. The flotation oil was used to treat wastewater and remove pollutants.
   浮选油用于处理废水并去除污染物。