1.
1-way repeater (includes telephone repeater). One or two line can be specified.
单向中继器（包括电话中继器）。可指定单线或双线。
2.
1-way repeater (includes telephone repeater). Right-click for one or two line.
单向中继器(包括电话中继器)。右击指定单线或双线。
3.
automatic toll switching repeater
长途电话自动中继器
4.
relay automatic telephone system
继电器式自动电话交换制;继电器式自动电话系统
5.
Relays for crossbar telephone switching systems
GB/T3972-1992纵横制电话交换机用继电器
6.
all relay automatic telephone system
全继电器制自动电话交换机
7.
Install the defogger relay by aligning the relay terminals with the cavities in the junction block and pushing the relay firmly into place.
对准接线盒中有孔的继电器端子，安装除雾继电器，并把继电器插牢。
8.
Install the horn relay by aligning the relay terminals with the cavities in the junction block and pushing the relay firmly into place.
安装喇叭继电器：将继电器端子与接线盒中的插孔对齐，插紧继电器。
9.
center-off polarized relay
中位断开式极化继电器
10.
time delay relay
延时继电器时间继电器
11.
microwave relay system for telephony using frequency-division multiplex
频分多路复用电话微波中继系统
12.
microwave relay system for telephony using time-division multiplex
时分多路复用电话微波中继系统
13.
liquid level relay
液位继电器（容器中液体高低变化到预定位置时动作的继电器）
14.
Research on the Application of OCT in Power System Protection;
光学电流互感器在继电保护中的应用
15.
Selecting a Type for in Series Current Relay of High Voltage Switchgear;
高压柜中串联继电器(电流型)的选型
16.
Application of PCB Electronic Current Transformer in Relay Protection
PCB电流互感器在继电保护中的应用
17.
Electrical relays--All-or-nothing electrical relays
GB/T14598.2-1993电气继电器有或无电气继电器
18.
Solid State Relay and the Application in Electrical Actuator
固态继电器及其在电动执行器中的应用