According to the characteristics of program controlled interface in low voltage programmable power supply, the design principles of PC bus board in programmable power supply are described.
根据低压程控电源程控接口的特点，阐述了程控电源PC总线控制板卡的设计原理。
The air heater is connected with a controlling switch and a program-controlled computer board respectively by conductors.
热风机通过导线分别与控制开关和程序控制电脑板相连接。
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