 |
| |||
| ventilation | |||
| движение воздушных потоков: 26 phrases in 6 subjects |
| Aerohydrodynamics | 2 |
| Automobiles | 1 |
| Aviation | 13 |
| Firefighting and fire-control systems | 1 |
| Military | 7 |
| Mining | 2 |
|
| |||
| ventilation | |||
| движение воздушных потоков: 26 phrases in 6 subjects |
| Aerohydrodynamics | 2 |
| Automobiles | 1 |
| Aviation | 13 |
| Firefighting and fire-control systems | 1 |
| Military | 7 |
| Mining | 2 |