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воздухонагреватель на газовом топливе | |||
газовый воздухоподогреватель |
gas-air heater : 14 phrases in 8 subjects |
Biotechnology | 1 |
Construction | 1 |
Makarov | 2 |
Nautical | 2 |
Oil / petroleum | 2 |
Oilfields | 1 |
Thermal engineering | 4 |
Weapons of mass destruction | 1 |