Unverified90% confidenceTradeoffTime unknown
核心权衡:极致便携轻便(约半斤左右)但容量很小用完即弃,性价比低;若高反症状较重或行程较长,多罐携带的重量和费用会快速累积,不如在当地租用医用制氧机
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90%
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Long-term
Relevance
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