... 采用传统继电器控制 Using Traditional Relay Control 电源和继电器控制 Power And Relay Control 主继电器控制管 main relay valve ...
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合上电梯供电开关，再分步控制柜内各控制回路电开关。检查所有电源电压和相序(相序继电器)是否正确。
Turn on the power switch, then turn on the switches in controller. Check phase and voltage.
烟感探头控制装在驾驶室处的继电器，继电器控制汽车的各支路电源和电磁自动阀门。
The smoke detection probe controls a relay provided at the driving cap position; the relay controls the power supply of each branch circuit and an electromagnetism automatic valve of the automobile.
所有元器件均来自一个品牌，包括真空断路器，空气断路器，电流接触器，热继电器，驱动，可编程控制器，输入输出模块，电站管理系统继电器和仪表，不间断电源，传感器和照明器材。
All of components come from one brand, from vacuum circuit breakers, air circuit breakers, contactors, thermal relays, drives, PLC, I/O, PMS relays and meters, UPS, sensors and lighting fixtures.
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