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horizontal position; level attitude; level position | |||
zero elevation (осі каналу ствола) |
горизонтального положення: 16 phrases in 8 subjects |
Astronautics | 3 |
Aviation | 3 |
Chemistry | 2 |
General | 1 |
Information technology | 1 |
Military | 4 |
Navigation | 1 |
Oil and gas | 1 |