sour gases removal的用法和樣例：
例句
- The catalytic activated carbon deodorizing device was used for purifying odorous gases in sewage pumping station.
採用催化型活性炭除臭裝置對污水泵站產生的臭氣進行凈化。 - To investigate the relationship between photosynthesis and contamination removal efficiency, constructed wetlands were used to treat urban sewage.
摘要利用人工濕地處理生活污水，考察了濕地植物光合作用特性及其與污染物凈化效果的關係。
