[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

密度并非越高越好:吸音泡沫适宜密度约25-35kg/m³,过高密度反而使高频反射增强,纯隔音(挡声音透过)需用隔音板/隔音棉而非吸音泡沫

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