 |
| |||
| наличие зажима заряда в нижней части скважины (при отбойке уступа) | |||
| fixed bottom: 10 phrases in 7 subjects |
| Construction | 1 |
| General | 3 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| наличие зажима заряда в нижней части скважины (при отбойке уступа) | |||
| fixed bottom: 10 phrases in 7 subjects |
| Construction | 1 |
| General | 3 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |