denitrification and phosphorus removal的用法和樣例：
例句
- Biological technology of denitrification and phosphorus removal has been focused on in wastewater treatment field in recent years.
生物脫氮除磷技術一直是污水處理領域所關注的重點。 - The improved process is suitable for the denitrifying phosphorus removaling and sewage regeneration.
改進后的工藝不僅可以解決同步脫氮除磷的問題，而且可用於再生水的生產。
