Unverified85% confidenceDecision RuleTime unknown
内部填充材料密度越高、空腔越深,低频吸收下限越低;选购时应确认填充材质(玻璃棉优于普通海绵)和整体厚度,而非只看外形尺寸
1
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85%
Confidence
Long-term
Relevance
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