短語詞組短語pilot t wire 控制線pilot -wire controlled network [通信]領示線控制網(wǎng)絡circulating current type pilot -wire protection 電流循Carrier or pilot -wire receiver relay 載波或導引線接受繼電器compensated pilot -wire protective system [電]補償控制線保護系統(tǒng)CARRIER OR PILOT -WIRE RECEIVE RELAY 載波或導引線接收繼電器voltage opposite type pilot -wire protection 電圧反向式表示線継電方式 返回 pilot wire