Unverified80% confidenceTradeoffTime unknown
冰袋数量与容量正相关但挤占奶瓶空间:多放冰袋保冷久但能放的奶量减少。8小时以上冷链建议选独立分层设计(冰袋层+奶瓶层隔开),兼顾保冷与容量
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80%
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Long-term
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