 |
| |||
| hydril blowout preventer | |||
| annular blowout preventer; universal blowout preventer | |||
| универсальный противовыбросовый превентор: 7 phrases in 4 subjects |
| Drilling | 1 |
| Oil / petroleum | 4 |
| Oilfields | 1 |
| Technology | 1 |
|
| |||
| hydril blowout preventer | |||
| annular blowout preventer; universal blowout preventer | |||
| универсальный противовыбросовый превентор: 7 phrases in 4 subjects |
| Drilling | 1 |
| Oil / petroleum | 4 |
| Oilfields | 1 |
| Technology | 1 |