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三聲鳴叫! 如何清理煙霧報警器? 有用嗎? 3 Chirps! How to clean your smoke alarm? Does it work?本視頻將會拆開煙霧報警器並清潔看看有沒有辦法解決三聲鳴叫的系統錯誤報告This video will open and clean the smoke detectorSee if we can clear the malfunction of 3 chirps