 |
| |||
| méthode des trous (при подземной газификации) | |||
| метод скважин: 34 phrases in 5 subjects |
| Construction | 3 |
| English | 1 |
| Geology | 9 |
| Mining | 6 |
| Oil and gas technology | 15 |
|
| |||
| méthode des trous (при подземной газификации) | |||
| метод скважин: 34 phrases in 5 subjects |
| Construction | 3 |
| English | 1 |
| Geology | 9 |
| Mining | 6 |
| Oil and gas technology | 15 |