[KongchangAI]
Unverified80% confidenceFactTime unknown

乳胶枕保质期约3-5年会逐渐氧化粉化、失去弹性;记忆棉约2-3年后回弹变慢支撑下降,出现明显塌陷或粉末即应更换,而非依赖清洗延续使用

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80%
Confidence
Long-term
Relevance
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