After the processing,the main pollutant discharge target achieves "Cities Sewage treatment plant Pollutant discharge Standard" (GB18918-2002) the secondary standard.
处理后主要污染物排放指标均达到《城镇污水处理厂污染物排放标准》（GB18918-2002）二级标准.求英文翻译
After the processing,the main pollutant discharge target achieves "Cities Sewage treatment plant Pollutant discharge Standard" (GB18918-2002) the secondary standard.