electrical power supply equipment 电源装置 electrical power communication equipment 电力通信设备 ..
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Complete switch of the power supply system as a very important and essential electrical equipment came into being.
成套开关作为供电系统中一个非常重要且必不可少的电力设备应运而生。
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
This text introduces category and reason of electrical breakdown, deals with the methods of checking up the power supply, electric circuit and equipment and gives out some concrete countermeasures.
介绍了电气故障的种类、产生的原因，详述了电源、电路、设备和元件故障的查找方法，对常用电气设备的故障原因、查找方法，做了具体的叙述。
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