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emergency descent | |||
emergency outlet; emergency chute | |||
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emergency exits (в корпусах aivanov) |
аварийный спуск : 9 phrases in 6 subjects |
Astronautics | 3 |
British usage, not spelling | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Technology | 1 |