电子继电器 [电] electronic relay ; electron relay ; [电] Electric Relay ; Electronic timer relay

热电子继电器 thermionic relay

微电子继电器 micro-processing relay ; Microelectronic Relay ; MER

电子继电器式电势计 electronic-relay potentiometer

版微电子继电器 Microelectronic Relay ; MER

光碟版微电子继电器 Microelectronic Relay ; MER

电子管继电器 [电] valve relay ; electron-tube relay ; electronic tube relay

冷阴极电子继电器 cold cathode electronic relay

电子式时间继电器 electronical time relay ; Electronic time delay-relay

电子式计数继电器 electronic counter relay