[KongchangAI]
Unverified80% confidenceSolutionTime unknown

夏季高温长途保鲜方案:厚壁硬质冰包(≥25L)+ 冷冻硬蓝冰放底部和顶部(冷气下沉需顶部封盖)+ 食物预先冷藏 + 减少开合次数,可实现12小时以上有效保冷

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Long-term
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