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отбор газа (more hits Alexander Demidov) | |||
отвод газов (aivanov) | |||
отвод газа (из газоотводящих скважин подземного газогенератора) | |||
отвод газа |
gas withdrawal : 5 phrases in 4 subjects |
Electronics | 1 |
Energy industry | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |