[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

高原旅游临时补氧优先选'便携罐装氧气+吸氧管'而非制氧机:制氧机在高海拔低气压环境下压缩效率下降、氧浓度会降低,且需充电不适合徒步;罐装氧气即开即用无需电源

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