辅助接触电路断路器  auxiliary contact circuit breaker

继电器－接触器控制  Relay-contactor control

继电器接触器控制系统  relay contactor control system

接触器接触次序  contactor sequence

旁路接触器接触分合试验  bypass contactor pickup test

断电器断电点  cut-out breaker point

电铃警报器接触器  bell alarm contact

断路器接触器  breaker contact

反馈接触器接线柱  regen contactor terminal

负载电阻器接触器  load-resistor contactor

刮水器接触器  wiper contact

混合器、沉淀器接触器  contactor; mixer-settler

继电接触器控制系统  relay contactor control systems

继电器接触式控制系统  relay contact analog control system

接触器、触头  contactor

接触器触点  contactor tip

警报器接触器  alarm contactor

抗晃电接触器  fluctuation resistant contactor

连接器接触面  connector contact