Operational Proce

To use passengers’ oxygen in case of severe cabin smoke is:

发布于 2021-02-09 13:28:41

【单选题】
A useless because breathing oxygen would explode under smoke conditions.
B possible and recommended.
C useless because the toxic cabin smoke is mixed with the breathing oxygen.
D useless because the oxygen units do not operate under smoke conditions.

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hyz860210 2023-02-09

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