片语
instantaneous contactor relay瞬时接触器式继电器
instantaneous oevercurrent relay瞬时超流继电器英语
instantaneous overcurrent relay瞬时过电流继电器
instantaneous coutactor relay瞬时接触器式继电器
instantaneous trip relay瞬时跳掣继电器
instantaneous overvoltage relay瞬时过电压继电器
Instantaneous overcurr relay瞬动继电器
instantaneous acting relay[电]
Instantaneous contactor relay KA瞬时接触继电器