| |||
| сквозная вентиляция | |||
|
flow-through ventilation : 3 phrases in 3 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| |||
| сквозная вентиляция | |||
|
flow-through ventilation : 3 phrases in 3 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |