 |
| |||
| underwater surveillance system (Alex_Odeychuk) | |||
| система наблюдения за подводной обстановкой: 6 phrases in 3 subjects |
| Hydroacoustics | 1 |
| Military | 4 |
| Navigation | 1 |
|
| |||
| underwater surveillance system (Alex_Odeychuk) | |||
| система наблюдения за подводной обстановкой: 6 phrases in 3 subjects |
| Hydroacoustics | 1 |
| Military | 4 |
| Navigation | 1 |