| |||
| технологическая структура (Sergei Aprelikov) | |||
|
technological structure : 3 phrases in 2 subjects |
| Mining | 1 |
| Oil and gas | 2 |
| |||
| технологическая структура (Sergei Aprelikov) | |||
|
technological structure : 3 phrases in 2 subjects |
| Mining | 1 |
| Oil and gas | 2 |