名词中文翻译
中文翻译：次要继电器
同义词：
['subordinate relay', 'secondary switch']
例句：
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1.The primary relay is responsible for detecting the fault and sending a signal to the backup system.
主继电器负责检测故障并向备用系统发送信号。
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2. The secondary relay is used to control the operation of the main motor in case of an emergency.
次要继电器用于在紧急情况下控制主电机的操作。
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3. The relay was designed to provide a fail-safe mechanism in case of a power outage.
继电器被设计为在电力中断时提供安全机制。