 |
| |||
| регулярное условие | |||
|
regular condition : 5 phrases in 3 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| Telecommunications | 1 |
|
| |||
| регулярное условие | |||
|
regular condition : 5 phrases in 3 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| Telecommunications | 1 |