 |
| |||
| downhole tools and equipment | |||
| скважинный инструмент и оборудование: 6 phrases in 4 subjects |
| Drilling | 3 |
| Oilfields | 1 |
| Production | 1 |
| Technology | 1 |
|
| |||
| downhole tools and equipment | |||
| скважинный инструмент и оборудование: 6 phrases in 4 subjects |
| Drilling | 3 |
| Oilfields | 1 |
| Production | 1 |
| Technology | 1 |