[KongchangAI]
Unverified75% confidenceDecision RuleTime unknown

判断密封性的实用方法:装水后倒置摇晃10秒观察喷嘴与瓶盖螺纹处是否渗漏;泵压式还应加压后静置1分钟看压力是否明显下降,下降快说明活塞密封不良

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