[KongchangAI]
Unverified70% confidenceFactTime unknown

记忆棉密度决定支撑寿命,高密度(约50D以上)记忆棉回弹慢、不易永久塌陷,低密度慢回弹棉半年即可能形成永久凹坑失去支撑

1
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70%
Confidence
Long-term
Relevance
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