The major sources of waterpollution can be classified as municipal, industrial, and agricultural.
水污染主要可分为城市水污染、工业水污染和农业水污染。
2
Studies on dynamics of microcystin pollution level in municipalwater supplies.
城市供水藻毒素污染水平的动态研究。
3
This paper studies on treating municipal wastewater with membrane bio-reactor as reclaimed water by adopting pollution controlling technique of air and water combination backwashing membrane.