 |
| |||
| спуско-подъёмные операции при бурении | |||
| manœuvres des tiges: 6 phrases in 3 subjects |
| Mechanic engineering | 3 |
| Oil and gas technology | 1 |
| Rail transport | 2 |
|
| |||
| спуско-подъёмные операции при бурении | |||
| manœuvres des tiges: 6 phrases in 3 subjects |
| Mechanic engineering | 3 |
| Oil and gas technology | 1 |
| Rail transport | 2 |