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drag friction : 28 phrases in 18 subjects |
| Aerodynamics | 1 |
| Aerohydrodynamics | 4 |
| Astronautics | 2 |
| Automobiles | 1 |
| Aviation | 3 |
| Combustion gas turbines | 1 |
| Geophysics | 1 |
| Hovercraft | 1 |
| Makarov | 1 |
| Missiles | 1 |
| Nautical | 3 |
| Non-destructive testing | 1 |
| Oil / petroleum | 2 |
| Physics | 1 |
| Robotics | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
| Transport | 1 |