一种用于控制用于照明设备的电源的开关电路，方法和控制单元(1)。
A switching circuit, method and control unit (1) for controlling electric power supply for lighting fixtures.
在载车板控制单元中，分别介绍了主从机通信、输入信号检测、状态显示、手动功能以及电源的设计方法。
As to the loading board part, many design methods are introduced, such as master-slave communication, input signal detection, status displaying, manual action, power supply and so on.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control device.
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