 |
| |||
| drill-steel set | |||
| drill set; drilling pattern | |||
| drill-steel set (набор буров и штанг для бурения до определённой глубины) | |||
| буровой комплект: 40 phrases in 12 subjects |
| Drilling | 6 |
| General | 1 |
| Geology | 1 |
| Military | 2 |
| Mining | 4 |
| Oil / petroleum | 10 |
| Oil and gas | 5 |
| Oil and gas technology | 2 |
| Oilfields | 2 |
| Production | 1 |
| Sakhalin | 4 |
| Technology | 2 |