Unverified70% confidenceTradeoffTime unknown
金属层墙纸屏蔽性能与施工缝隙强相关:拼接缝处若不用导电胶带/铜箔胶带搭接,缝隙会形成'辐射泄漏通道',整体屏蔽效能可能从30dB跌到10dB以下;因此专业施工成本远高于普通墙纸
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70%
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