Unverified50% confidenceCautionTime unknown
吸音板只能减少室内混响，不能隔绝墙外噪声传入；若目标是阻挡邻居/马路噪声，应做隔音（隔声墙、双层石膏板+隔音棉+减震龙骨）而非贴吸音板
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