片语
voltage opposite type pilot-wire protection电圧反向式表示线継电方式
circulating current type pilot-wire protection电流循
compensated pilot-wire protective system[电]
pilot-wire regulator领示线调节器
pilot t wire控制线
pilot-wire relays辅助线继电保护装置
pilot-wire controlled network领示线控制网络
CARRIER OR PILOT-WIRE RECEIVE RELAY载波或导引线接收继电器
Carrier or pilot-wire receiver relay载波或导引线接受继电器