[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

医用级制氧要求出氧浓度≥90%(93%±3%为标准区间),且必须在最大流量档位下仍能维持该浓度;许多便携机标注'最高93%'但在3L/min档实际只有30-50%,选购需看'各档位浓度衰减曲线'而非峰值

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90%
Confidence
Long-term
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get_claim(id=201268)