[KongchangAI]
Unverified80% confidenceFactTime unknown

记忆棉密度决定支撑与寿命:40D以下偏软易塌陷,50-60D支撑适中,密度越高越贴合但越闷热;颈椎枕建议选50D以上并带开孔透气结构

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80%
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Long-term
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