waste-gas cleaning

例句：

1. 1.The waste-gas cleaning system is designedto remove harmful pollutants from theexhaust gases.
   废气净化系统旨在从废气中去除有害污染物。
2. 2. The factoryuses a waste-gascleaning system to reduce emissions andimprove air quality.
   该工厂使用废气净化系统来减少排放并改善空气质量。
3. 3. Thewaste-gas cleaning process involves using filtersto trap and remove pollutants fromthe exhaust gases.
   废气净化过程涉及使用过滤器来捕捉和去除废气中的污染物。