activated sludge filamentous的用法和样例：
- activated sludge filamentation bulking
- The foam is caused by the excessive growth of some filamentous bacteria and actinomycetes in activated sludge mixed liquor.
- The relationships between filamentous organisms and flocculate structure in the activated sludge were studied in this paper.
- Over 300 strains of bacteria have been found in activated sludge.