Rainwater resources, as water resources that are slightly polluted, can be used for a domestic and industrial purposes after ordinary treatment.
雨水资源作为轻度污染的水源，水中污染物较少，经过简单处理就一可用于生活用水和工业用水。
Biological Aeration Filter (BAF) process was used in an on-the-spot test of the biological treatment of the slightly-polluted water in a refinery.
采用生物曝气滤池(BAF)工艺对某炼油厂轻度污染水进行了生物处理现场试验研究。
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