[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

填充物优先选PP棉(聚酯纤维)且标注'新料/A级',避免'黑心棉'(再生纤维),可通过按压回弹速度判断:优质PP棉按压后1-2秒回弹,回弹慢或结块的多为劣质填充

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85%
Confidence
Long-term
Relevance
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