основные параметры : 14 phrases in 13 subjects |
Aerodynamics | 1 |
Analytical chemistry | 1 |
Antennas and waveguides | 1 |
Automobiles | 1 |
Construction | 1 |
Economy | 1 |
Energy industry | 1 |
Medical | 1 |
Metallurgy | 1 |
Military | 1 |
Missiles | 2 |
Rail transport | 1 |
Water supply | 1 |