Unverified83% confidenceDecision RuleTime unknown
封口结构选双封条（双轨道拉链）+ 密封夹三重锁，比单封条漏气率显著更低，是判断能否长期保持真空的关键，比材质厚度更重要
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83%
Confidence
Long-term
Relevance
-
First Seen
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