Unverified82% confidenceDecision RuleTime unknown
记忆棉密度≥50kg/m³才有足够耐用性和支撑，低于40kg/m³的记忆棉1-2年内易永久性凹陷；追求慢回弹包裹感选高密度，追求回弹快翻身省力选凝胶记忆棉或聚氨酯棉
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82%
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