[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

纯物理保温套(无供电)的实际保温时长通常仅2-3小时且温度持续下降,若外出超过3小时或需精确恒温,应选USB充电或车载供电的加热款

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85%
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Long-term
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