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单词 alarm panel
释义
alarm panel
He studies the alarm panel.
Times, Sunday Times
Investigation afterwards discovered a faulty relay in the alarm panel which failed to switch power to the siren circuits when an alarm was triggered.
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The initiation device signals the fire alarm panel, which in turn signals the deluge valve to open.
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Depending on distance and construction materials, one or more wireless repeaters may be required to get the signal to the alarm panel reliably.
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Although an intruder alarm panel may also have these detectors connected, it may not meet all the local fire code requirements of a fire alarm system.
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更新时间:2024/12/23 18:09:08