Unverified85% confidenceDecision RuleTime unknown
选购时确认背衬棉的材质和密度：玻璃棉吸音性能优但有纤维刺激问题需密封处理，聚酯纤维棉环保安全但同厚度下中低频吸收略逊；密度过低则吸音效果大打折扣
1
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85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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