名词
中文翻译：关闭信号
同义词：
['shutdown signal', 'cut-off signal']
例句：
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1.When the power goes out, we need to shut off the signal to prevent any damage.
当电力中断时，我们需要关闭信号以防止任何损坏。
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2.The engineer shut off the signal to avoid any accidents.
工程师关闭信号以避免任何事故。
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3. The device has a shutoff signal that can be activated remotely.
该设备具有可远程激活的关闭信号。