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нефтегазовая скважина | |||
нефтяные и газовые скважины |
油 气 井 : 42 phrases in 10 subjects |
Drilling | 3 |
General | 7 |
Geology | 8 |
Geophysics | 2 |
Oil / petroleum | 3 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Oil processing plants | 1 |
Oilfields | 14 |
Technology | 1 |