An activated sludge system consists of an equalization basin, a settling tank, an aeration basin, a clarifier, and a sludge recycle line.
一个活性污泥系统包括一个均衡盆地，一个沉淀池，曝气盆地的，一个澄清和污泥回收线。
The dotted red line is the reference response of the open ear to live performance (CD equalization).
图中红点虚线是人耳在听现场演出相当于播放CD时的响应。
The dotted red line is the reference response of the open ear to live performance (CD equalization).
图中红点虚线是人耳在听现场演出相当于播放CD时的响应。
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