拨轨继电器 meaning in Chinese
track relay
Examples
- 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