 |
| |||
| aeronautical administration communications; aeronautical administrative communications | |||
| 航空管理通信: 5 phrases in 3 subjects |
| Aviation | 3 |
| Electronics | 1 |
| Space | 1 |
|
| |||
| aeronautical administration communications; aeronautical administrative communications | |||
| 航空管理通信: 5 phrases in 3 subjects |
| Aviation | 3 |
| Electronics | 1 |
| Space | 1 |