[KongchangAI]
Unverified80% confidenceFactTime unknown

标称氧浓度90%±3%是分子筛制氧机的行业普遍水平,若产品标称浓度随流量升高仍稳定在90%以上需存疑,多数机型在最高档流量下浓度会下降至30-70%

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80%
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Long-term
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