The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6,000-8,000 feet of altitude.

机舱里的氧分压会更低，其数值跟6000到8000英尺高空的氧分压值一样。

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The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6,000-8,000 feet of altitude.

机舱里的氧分压会更低，其数值跟6000到8000英尺高空的氧分压值一样。

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