... relay test set 继电器测试设备 relay-set 继电器装置 protective relay test set 保护继电器测试仪 ...
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应答继电器装置 answering-relay set
光电继电器装置 radiovisor
继电器保护装置 protective relay unit
量度继电器和保护装置 Measuring relays and protection equipment
带油继电器调节装置 governor gear with oil relay
继电器起动装置 relay starter
继电器抑制装置 relay suppression unit
欠频率继电器及装置 Under-frequency relay and equipment
继电器电子装置接口 relay electronic system interface
作为安全装置，布赫继电器对于设备内的电介质故障是非常敏感的。
The Buchholz Relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.
电枢：电磁装置的移动部分，如继电器，蜂音器或扬声器。
The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
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