Activated sludge reactors and trickling filters are the most commonly used biological process.
活化污泥反应器和生物滤池是最常用的生物法。
Design standards for trickling filters recognize temperature as a factor.
把温度看作是设计滴滤池的一项指标。
Design standards for trickling filters recognize temperature as a factor.
把温度看作是设计滴滤池的一项指标。
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