relay pad继电器垫圈
relayvt.转播;转达;中继;接力;接替n.继电器;接力赛;替班
relay-operated accumulator继电器累加器
relay point without coupling无耦合转接点
Relay protection temporarily继电保护
relay valve disphragm spring继动阀隔膜簧
relay type recording ammeter继电器式记录安培计
relaying current transformer继电器用变流器,继电器用电流互感器
Relay control or alarm output继电器输出
relay set with maximal weight极大权中继集
relay interlocking signal box继电联锁信号楼,继电集中联锁信号楼