cleaning purification treatment

• 净化处理

cleaning purification treatment的用法和样例：

例句

1. The flue gas cleaning process demands a continuous flow of lime-milk.
   废气的净化处理过程要求有石灰乳的连续流。
2. When such discharge is really necessary, the discharged gas or dust must undergo purification treatment.
   确需排放的，必须经过净化处理，不超过规定的排放标准。