activated sludge bulking的用法和樣例：
例句
- Filamentous sludge bulking is the key factors in deteriorating effluent quality.
絲狀菌性污泥膨脹是惡化處理水水質的重要原因。 - At present,one of the hotspots of filamentous bacterium sludge expansion study is to identify the specific filamentous bacteria that cause sludge expension.
控制污泥膨脹通用方法的缺乏，使研究者開始關注絲狀菌的微觀研究。
