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| дистанционно управляемые клапаны-отсекатели (ТЭО стр.) | |||
| surface controlled safety valves: 41 phrases in 10 subjects |
| Caspian | 1 |
| Drilling | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 18 |
| Oil and gas technology | 4 |
| Oilfields | 2 |
| Sakhalin | 7 |
| Sakhalin A | 1 |
| Technology | 1 |
| Tengiz | 2 |