line relay meaning in English
呼叫继电器
线继电器
线路继电器
Examples
- Specification for alternating - current line relays double - element 3 - position for railway signalling
铁路信号用3位置双元交流线路继电器规范 - Specification for tractive armature direct current neutral - polar line relays for railway signalling
铁路信号用牵引电枢直流中性极化线路继电器规范 - Specification for tractive armature direct current neutral track and line relays for railway signalling
铁路信号用牵引电枢直流中性线拨轨继电器和线路继电器规范 - Specification for alternating - current relays for railway signalling : track relays double - element , 2 - position , line relays single - element , 2 - position
铁路信号用交流继电器规范.拨轨继电器