friction drag : 23 phrases in 13 subjects |
Aerodynamics | 1 |
Aerohydrodynamics | 5 |
Astronautics | 2 |
Aviation | 3 |
Mechanic engineering | 1 |
Missiles | 1 |
Nautical | 3 |
Non-destructive testing | 1 |
Physics | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 2 |
Transport | 1 |