 |
| |||
| ультразвуковая волна | |||
| УЗ-волна (частотой свыше 20 кГц) | |||
| ultrasonic wave: 5 phrases in 5 subjects |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Hydrology | 1 |
| Medical appliances | 1 |
| Nautical | 1 |
|
| |||
| ультразвуковая волна | |||
| УЗ-волна (частотой свыше 20 кГц) | |||
| ultrasonic wave: 5 phrases in 5 subjects |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Hydrology | 1 |
| Medical appliances | 1 |
| Nautical | 1 |