[KongchangAI]
Unverified85% confidenceFactTime unknown

罐装氧气(氧气瓶/氧气罐)标注的'升'指气体总容积而非可用时长,一罐8L氧气按正常呼吸仅够约50-80次深呼吸(约5-10分钟连续吸),只适合高原急救或运动瞬时补氧,不能替代氧疗设备

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