| |||
| 通信控制规程 | |||
| |||
| 通信控制规程 | |||
|
communications control procedure : 5 phrases in 3 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Information technology | 1 |
| |||
| 通信控制规程 | |||
| |||
| 通信控制规程 | |||
|
communications control procedure : 5 phrases in 3 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Information technology | 1 |