 |
| |||
| aircraft engine emission The formation and discharge of gaseous and particulate pollutants into the environment, especially the stratosphere, chiefly from airplanes, helicopters and other high-altitude aircrafts | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips