 |
| |||
| air traffic control system | |||
|
空中交通 管 制系统 : 47 phrases in 6 subjects |
| Air defense | 6 |
| Aviation | 30 |
| Electronics | 7 |
| General | 2 |
| Navigation | 1 |
| Technology | 1 |
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