gaseous contaminant的用法和樣例：
例句
- Filter screens of active carbon and cold accelerant can decompose gaseous infectants.
另外在這一過程中，顆粒活性碳過濾網和冷觸媒過濾網可以分解空氣中的氣態污染物。 - Above measures to cut the gaseous pollutants are effective means for controlling the production of secondary particles and ozone pollution.
採取以上削減氣態污染物的措施，均有利於控制二次顆粒物產生和臭氧污染。
