Unverified85% confidenceDecision RuleTime unknown
叠放稳定性看四角是否有凹凸卡槽互扣设计，仅靠盖子平面摩擦叠放的款式，横向推力下容易错位倒塌；卡扣式互锁结构可叠4-5层不晃
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85%
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Long-term
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