 |
| |||
| swab (для очистки скважины) | |||
| open piston; valve piston | |||
| basket-type swab | |||
| casing swab; swab (спускаемый на тросе) | |||
| проходной поршень: 9 phrases in 6 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| General | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Technology | 2 |
|
| |||
| swab (для очистки скважины) | |||
| open piston; valve piston | |||
| basket-type swab | |||
| casing swab; swab (спускаемый на тросе) | |||
| проходной поршень: 9 phrases in 6 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| General | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Technology | 2 |