Unverified80% confidenceTradeoffTime unknown
便携氧气罐容量与实用性存在权衡:大容量罐吸氧时间长但重量体积大不便随身徒步,小罐轻便却仅够几次急救;徒步登山建议小罐随身+营地备大罐组合
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80%
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Long-term
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