Unverified80% confidenceTradeoffTime unknown
密封防撒性能与携带尺寸矛盾：真正防撒需厚壁+多重卡扣，体积和重量增加；仅塞入妈咪包缝隙的超薄款往往牺牲了密封性，颠簸易漏粉
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80%
Confidence
Long-term
Relevance
-
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