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рабочий воздух |
compression air : 22 phrases in 12 subjects |
Aerohydrodynamics | 4 |
Astronautics | 1 |
Aviation | 1 |
Construction | 2 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Oil and gas | 3 |
Rail transport | 2 |
Refrigeration | 1 |
Sakhalin | 2 |
Sakhalin R | 1 |
Technology | 3 |