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Combination smoke detector, carbon monoxide detector and cellphone
Combination smoke detector, carbon monoxide detector and cellphone
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机译:组合式烟雾探测器,一氧化碳探测器和手机
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摘要
A smoke detector, a carbon monoxide detector, and a cellphone are combined into a single device in providing an alarm to a user upon the detection of smoke and/or carbon monoxide in a closed environment.
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