conventional active sludge的用法和樣例：
例句
- Activated sludge treatment is one of the most widely used methods in thewastewater treatment field at present.
活性污泥法是當前污水處理領域應用最為廣泛的技術之一。 - Microbial degradation by acclimated activated sludge was investigated to characterize biodegradability of landfill leachate.
利用馴化活性污泥法對組分複雜的垃圾滲濾液進行有機物降解實驗。
