Unverified85% confidenceDecision RuleTime unknown
拉链选双滑轨（双轨道）+配套滑扣夹的结构，密封性远优于单轨手捏式；单纯靠手指捏合的自封口在衣物较厚时几乎无法完全密封
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85%
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Long-term
Relevance
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