Unverified75% confidenceDecision RuleTime unknown
密封防漏检测法:装水后倒置并横向摇晃15秒不渗漏才算合格,扣扣锁式(buckle lock四扣)比单纯旋盖防漏效果更好,适合放书包竖立携带
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75%
Confidence
Long-term
Relevance
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