 |
| |||
| communication model | |||
| propagation mode | |||
|
传播 模式 : 6 phrases in 5 subjects |
| Air defense | 1 |
| Communications | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 2 |
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