Unverified80% confidenceDecision RuleTime unknown
隔音降噪优先选空心管状截面（D型/P型）配硅胶或橡胶材质，压缩回弹性好能填满缝隙；泡棉虽软但闭孔密度不足，隔音效果比空心橡胶差3-5dB
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80%
Confidence
Long-term
Relevance
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