Unverified82% confidenceTradeoffTime unknown
海绵+纤维填充相比散沙或碎布填充手感偏软、对关节更友好，但长期使用后填充物可能下沉压实，导致底部偏硬、顶部偏空，需要定期翻转或补充填充物
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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