| |||
| параметры излучения | |||
|
radiation parameters : 5 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Nuclear physics | 1 |
| Radiation | 3 |
| |||
| параметры излучения | |||
|
radiation parameters : 5 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Nuclear physics | 1 |
| Radiation | 3 |