Unverified85% confidenceDecision RuleTime unknown
机舱气压低导致密封零食内外压差增大，充气包装（薯片、膨化食品）易在高空鼓胀甚至爆开，选真空压缩或硬质罐装更防压，软袋膨化食品应放行李箱上层避免挤压
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85%
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Long-term
Relevance
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Unverified高海拔飞行时气压变化会使密封膨化食品袋鼓胀甚至爆裂，选择铝箔加厚包装或非充气类零食（坚果、果干、肉脯）更稳妥83% similarUnverified脆性食材（如薯片、饼干、草莓）真空封装时若负压过高会被压碎，应选带分档负压调节或'柔和模式'的机型，普通单档强抽泵不适合80% similarUnverified真空度越高越保鲜，但对含气泡/易碎食材（面包、蛋糕、草莓）会因负压挤压变形塌陷，这类食材应选低真空或普通密封盒80% similarUnverified抽气泵真空度越高保鲜越久但对娇嫩食材（面包、草莓、蛋糕）会压塌变形；软质易碎食品应选低真空档或改用保鲜盒，不宜追求极致抽真空79% similarUnverified存面粉、杂粮建议配食品级干燥剂或分装小袋后入箱，大容量箱开合频繁反而加速受潮，非箱体越大越好77% similar
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