| |||
| керновое буровое долото | |||
| |||
| бурильная головка; буровая коронка; колонковое буровое долото | |||
|
core- drilling bit : 40 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 12 |
| Oil and gas | 5 |
| Oil and gas technology | 5 |
| Oilfields | 17 |
| |||
| керновое буровое долото | |||
| |||
| бурильная головка; буровая коронка; колонковое буровое долото | |||
|
core- drilling bit : 40 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 12 |
| Oil and gas | 5 |
| Oil and gas technology | 5 |
| Oilfields | 17 |