水与污水 meaning in English

wasser+abwasser

After the introduction of sanitary water and sewage treatment , the number of cases of cholera quickly diminished
实行卫生用水与污水处理以后，霍乱病例的数量迅速减少了。
Innovative and space - saving water and wastewater treatment processes ; including hybrid biological reactor ; nucleated precipitation for heavy metals from industrial wastewater ; two - phase anaerobic system for sulfate - laden waste ; and primary waste treatment improvement by sludge recycling
创新的水与污水处理方法：混合生物反应器;淤泥回流提高废物处理效率；厌氧废水处理;重金属去除技术之研发。