wastewater discharge standard

例句：

1. 1.The city has strict wastewater discharge standards to protect the environment.
   该市有严格的废水排放标准以保护环境。
2. 2. The factory adheres to the wastewater discharge standard to minimize pollution.
   该工厂遵守废水排放标准以减少污染。
3. 3. The company is required to meet the wastewater discharge standard before it can operate.
   该公司在运营前必须达到废水排放标准。