 |
| |||
| spanning of river | |||
| |||
| crossing (или другое препятствие) | |||
| прокладка трубопровода через реку: 4 phrases in 3 subjects |
| Drilling | 1 |
| Military | 1 |
| Oil and gas technology | 2 |
|
| |||
| spanning of river | |||
| |||
| crossing (или другое препятствие) | |||
| прокладка трубопровода через реку: 4 phrases in 3 subjects |
| Drilling | 1 |
| Military | 1 |
| Oil and gas technology | 2 |