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U.S. taps invention ultrasonic controller
美国科研人员最新推出一种超声波免触式水龙头控制器。它由超声波传感器和微处理器构成,可直接装在现有的水龙头上,用一节标准的9伏电池驱动。其前部装有手动和自动两档调节开关,若想按常规水龙头使用,则调到手动即可;若把它调至自动档,水龙头的开与关即可自动动作。
Form: Time:2008-6-5 0:00:20
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