Unverified70% confidenceDecision RuleTime unknown
检验密封性可将罐子倒扣或轻捏罐身：卡扣罐扣合后倒置不漏气、抽真空罐按压有回弹阻力为合格，旋盖罐拧紧后无法轻易听到"漏气声"
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70%
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Long-term
Relevance
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