wastewater engineering

例句：

1. 1.The wastewater treatment plant is responsible for the removal of pollutants from the city's sewage.
   污水处理厂负责从城市污水中去除污染物。
2. 2. The wastewater engineering project aims to reduce the amount of pollutants in the environment.
   废水工程项目旨在减少环境中的污染物量。
3. 3. The wastewater engineering team works tirelessly to ensure that the city's water quality remains high.
   废水工程团队不懈努力，确保城市的水质保持优良。