鸭粪明显污染了鸭场附近的水质，增加了水中的细菌、大肠杆菌、氮、磷和COD量。
The duck dung clearly polluted the water quality around duck Spaces, increased the amount of bacteria, bacteria coil, nitrogen, phosphorus and COD.
设置曝气装置，增加水体的含氧量，促进有益细菌及其他微生物的活动，增强其对污染物的吸附、氧化、分解和还原的作用。
Set device for exposure to increase the oxygen content in water and the activity of beneficial microorganisms, as well as their action of absorbing, oxidizing, decomposing and reducing pollutants.
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