 |
| |||
| вытяжная вентиляция | |||
| draft ventilation: 15 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 4 |
| Firefighting and fire-control systems | 1 |
| Oilfields | 1 |
| Sakhalin | 1 |
| Silicate industry | 2 |
| Technology | 4 |
| Transport | 1 |
|
| |||
| вытяжная вентиляция | |||
| draft ventilation: 15 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 4 |
| Firefighting and fire-control systems | 1 |
| Oilfields | 1 |
| Sakhalin | 1 |
| Silicate industry | 2 |
| Technology | 4 |
| Transport | 1 |