 |
| |||
| énergie exploitable (Sergei Aprelikov); énergie utilisable (Sergei Aprelikov) | |||
| énergie utile | |||
| полезная энергия: 3 phrases in 2 subjects |
| Mining | 2 |
| Oil and gas technology | 1 |
|
| |||
| énergie exploitable (Sergei Aprelikov); énergie utilisable (Sergei Aprelikov) | |||
| énergie utile | |||
| полезная энергия: 3 phrases in 2 subjects |
| Mining | 2 |
| Oil and gas technology | 1 |