wastewater irrigation

例句：

1. 1. The city has implemented a program to recycle and reuse wastewater for irrigation purposes.
   该市实施了一个项目，将回收和再利用废水用于灌溉目的。
2. 2. The farmers use this method to irrigate their crops with wastewater from nearby factories.
   农民们使用这种方法，用附近工厂的废水来灌溉他们的作物。
3. 3. This innovative technique not only conserves water but also reduces the environmental impact of wastewater irrigation.
   这种创新技术不仅节约了水资源，还减少了废水灌溉对环境的影响。