... FR Frequency Range 频率范围 FR Frequency Relay 频率替续器 FR Frequency Response 频率响应 ...
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... 调整 把消防部门的职责划归其他机构 consolidation 调振式继电器 frequency relay 调整的法语：动ajuster;rajuster;régler~价格rajuster les prix ...
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under frequency relay 低频率继电器
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
low frequency relay 低周率继电器
Under-frequency relay and equipment 欠频率继电器及装置
The distributed parameters of signal path of high frequency relay are the main factors that influence the radio frequency (rf) performances of relay.
高频继电器信号路径的分布参数是影响继电器射频(RF)性能的主要因素。
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。
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