 |
| |||
| раздвижное буровое долото; складное буровое долото; раздвижное долото | |||
| expandable drilling bit: 14 phrases in 4 subjects |
| Oil / petroleum | 7 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 5 |
|
| |||
| раздвижное буровое долото; складное буровое долото; раздвижное долото | |||
| expandable drilling bit: 14 phrases in 4 subjects |
| Oil / petroleum | 7 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 5 |