 |
| |||
| rayonnement naturel gamma | |||
| естественное гамма-излучение: 8 phrases in 4 subjects |
| English | 1 |
| Geology | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
|
| |||
| rayonnement naturel gamma | |||
| естественное гамма-излучение: 8 phrases in 4 subjects |
| English | 1 |
| Geology | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |