电机工程专业英语词汇翻译 ... 闪光替续器 relay， flashing 频率替续器 relay， frequency 电流计式替续器 relay， galvanometer ...
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frequency relay [电] 频率继电器 ; 频率替续器 ; 调振式继电器 ; 频率电驿
under frequency relay 低频率继电器
frequency measuring relay 测频继电器
relay operating frequency 继电器工作频率
low-frequency relay 低频继电器
voice-frequency relay [通信] 音频继电器
high-frequency relay [电] 高频继电器
FR Frequency Relay 频率替续器
slip frequency relay 滑移频率电驿 ; 差频继电器
A repetition rate, or operating frequency, lower than that allowed by the switching times is often specified for a relay.
继电器往往会以开关时间规定一个重复率，或者说是工作频率，使用时需低于该值。
The frequency changing relay is out of order. It can not change frequencies.
频率转换继电器故障，不能转换频率。
The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented.
当电流超过限制值时，过负荷电流继电器自动保护振荡管和整流器，同时可以避免由不当操作所引起的频率漂移。
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