[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

记忆棉密度决定寿命与支撑:50D以上密度回弹慢、支撑久坐不塌陷;40D以下低密度棉3-6个月即出现永久性凹陷失去减压作用

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/137209
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curl https://kongchang.com/api/v1/knowledge/claims/137209
MCP
get_claim(id=137209)