впуск воздуха: 40 phrases in 12 subjects |
Aerodynamics | 2 |
Artillery | 2 |
Automobiles | 13 |
Aviation | 3 |
Construction | 4 |
Energy industry | 3 |
Engines | 5 |
Mining | 1 |
Natural resourses and wildlife conservation | 1 |
Rail transport | 1 |
Technology | 4 |
Vacuum technique | 1 |