 |
| |||
| long-stroke | |||
| длинноходовой: 12 phrases in 6 subjects |
| Acoustics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Oil and gas technology | 1 |
| Pipelines | 1 |
| Technology | 4 |
|
| |||
| long-stroke | |||
| длинноходовой: 12 phrases in 6 subjects |
| Acoustics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Oil and gas technology | 1 |
| Pipelines | 1 |
| Technology | 4 |