 |
| |||
| retrievable inner barrel; wire-line barrel | |||
| retractable core barrel; wire line core barrel | |||
| съёмная грунтоноска: 11 phrases in 3 subjects |
| Drilling | 4 |
| Mining | 4 |
| Oil / petroleum | 3 |
|
| |||
| retrievable inner barrel; wire-line barrel | |||
| retractable core barrel; wire line core barrel | |||
| съёмная грунтоноска: 11 phrases in 3 subjects |
| Drilling | 4 |
| Mining | 4 |
| Oil / petroleum | 3 |