Protecting landscape water body mainly controlled its content of COD, BOD5, TN and TP and the growth of algae. Keeping it clean and the whole water quality.
景观水体的水质维护主要是控制水体中的COD、BOD_5、TN、TP等污染物的含量及藻类等的生长，保持水体的清澈、洁净和整个水域的水质。
Protecting landscape water body mainly controlled its content of COD, BOD5, TN and TP and the growth of algae. Keeping it clean and the whole water quality.
景观水体的水质维护主要是控制水体中的COD、BOD_5、TN、TP等污染物的含量及藻类等的生长，保持水体的清澈、洁净和整个水域的水质。
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