名词短语
中文翻译：主警报显示器和校验
同义词：
['main display', 'main unit', 'primary display', 'primary unit']
例句：
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1. The main alarm display is located on the wall behind the desk.
主警报显示器位于桌子后面的墙上。
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2. During the emergency, the main alarm display was used to alert everyone in the room.
紧急情况下，主警报显示器被用来通知房间里的每个人。
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3. The technicians were busy checking the main alarm display for any malfunctions.
技术人员忙于检查主警报显示器，查看是否有任何故障。