[KongchangAI]
Unverified75% confidenceDecision RuleTime unknown

保温性能取决于外壳材质与密封性:金属外壳+良好密封的机型断电后可保温1-2小时,日常炖煮省电。若锅盖与内胆间隙大、蒸汽外泄明显,说明保温设计差、能耗高且汤汁易熬干

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