окружная скорость : 45 phrases in 15 subjects |
Aerodynamics | 1 |
Aviation | 9 |
Chemistry | 5 |
Electronics | 2 |
Energy industry | 4 |
Engines | 2 |
Food industry | 6 |
Gear train | 2 |
Hydrology | 1 |
Machine components | 4 |
Metallurgy | 1 |
Pulp and paper industry | 1 |
Silicate industry | 1 |
Technology | 2 |
Textile industry | 4 |