Unverified80% confidenceDecision RuleTime unknown
床围填充物密度应≥20D，回弹性好且不易塌陷；纯棉填充易结块变硬失去缓冲，PP棉或高回弹海绵更适合长期使用
1
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80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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