 |
| |||
| остроконечное буровое долото; пикообразное лопастное буровое долото | |||
| point drilling bit: 9 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| Oilfields | 4 |
| Production | 1 |
|
| |||
| остроконечное буровое долото; пикообразное лопастное буровое долото | |||
| point drilling bit: 9 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| Oilfields | 4 |
| Production | 1 |