 |
| |||
| стабилизация пламени | |||
| flame retention: 3 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Silicate industry | 1 |
| Technology | 1 |
|
| |||
| стабилизация пламени | |||
| flame retention: 3 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Silicate industry | 1 |
| Technology | 1 |