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вентиляционная труба, присоединённая к отводной трубе |
relief vent : 14 phrases in 8 subjects |
Armored vehicles | 1 |
Astronautics | 2 |
Caspian | 1 |
Combustion gas turbines | 3 |
Forestry | 1 |
Occupational health & safety | 4 |
Technology | 1 |
Weapons of mass destruction | 1 |