Portable electric timer functions as elapsed-time indicator, interval timer and electrical apparatus on-off timer.
便携式电子计时器装有已过时间指示器，间隔计时器和电子开关计时器。
Our company specializes in manufacturing and marketing electric motor, reducer, axial fan, fan motor, water pump, blower, capacitors, switch, thermostat, timer and refrigeration parts.
我司专业生产和销售电机，减速机，轴流风机，风扇电机，水泵，风机，电容器，开关，温控器，定时器和制冷配件。
This paper states the constituting parts and their functions of the electric terminal timer system, and sets forth the working principle of the system.
文中论述了终点电子计时系统的系统组成及各组成部分的功能，阐述了终点计时系统的工作原理。
电风扇计时器；
电风扇计时器；
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