 |
| |||
| 无线电设备 | |||
| radio aid: 11 phrases in 5 subjects |
| Air defense | 1 |
| Electronics | 1 |
| General | 2 |
| Space | 2 |
| Technology | 5 |
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