 |
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| obstacle height | |||
| height of obstacle | |||
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| obstacle clearance height | |||
| высота препятствия: 82 phrases in 10 subjects |
| Aerohydrodynamics | 1 |
| Aeronautics | 1 |
| Airports and air traffic control | 2 |
| Astronautics | 3 |
| Aviation | 41 |
| Hovercraft | 1 |
| Makarov | 3 |
| Military | 18 |
| Nuclear and fusion power | 2 |
| Technology | 10 |