名词
中文翻译：Unknown
同义词：
['group switch', 'gang control', 'gang control switch']
例句：
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1. The gang switch is used to control the flow of power in a group of electrical devices.
群组开关用于控制一组电气设备中电力的流动。
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2. The gang switch was designed to prevent unauthorized access to the building's security system.
群组开关被设计用来防止未经授权访问建筑物的安全系统。
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3. The gang switch was found to be faulty and needed to be replaced immediately.
群组开关被发现有故障，需要立即更换。