active sludge

• 活性污泥

active sludge的用法和样例：

例句

1. Acetate was degraded by denitrifying activated sludge.
   本文报道脱氮活性污泥降解乙酸根的过程。
2. Thirdly, some kinds of microfauna should be added into sludge.
   向活性污泥曝气池中投放微型动物。