 |
| |||
| primary oil recovery (фонтанная или насосная) | |||
| добыча нефти первичными методами: 5 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
|
| |||
| primary oil recovery (фонтанная или насосная) | |||
| добыча нефти первичными методами: 5 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |