| |||
| трёхперовая буровая коронка | |||
| трёхпёрая буровая коронка | |||
| трёхперая головка бура | |||
|
three-point bit : 6 phrases in 5 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |
| |||
| трёхперовая буровая коронка | |||
| трёхпёрая буровая коронка | |||
| трёхперая головка бура | |||
|
three-point bit : 6 phrases in 5 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |