 |
| |||
| acoustic generator | |||
| звуковой передатчик: 18 phrases in 9 subjects |
| Electronics | 1 |
| Household appliances | 1 |
| Mass media | 7 |
| Oceanography & oceanology | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| Television | 1 |
| Transport | 1 |
|
| |||
| acoustic generator | |||
| звуковой передатчик: 18 phrases in 9 subjects |
| Electronics | 1 |
| Household appliances | 1 |
| Mass media | 7 |
| Oceanography & oceanology | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| Television | 1 |
| Transport | 1 |