 |
| |||
| normally occurring radioactive material (igisheva); naturally occurring radioactive material (igisheva) | |||
| естественное радиоактивное вещество: 5 phrases in 3 subjects |
| Nuclear chemistry | 3 |
| Oilfields | 1 |
| Sakhalin | 1 |
|
| |||
| normally occurring radioactive material (igisheva); naturally occurring radioactive material (igisheva) | |||
| естественное радиоактивное вещество: 5 phrases in 3 subjects |
| Nuclear chemistry | 3 |
| Oilfields | 1 |
| Sakhalin | 1 |