The main circuit USES the double barrel pair to stir up the topology, and USES the pulse electric current comparison control technology and soft switch technology.
主电路采用双管双正激拓扑结构，采用了逐脉冲电流比较控制技术和软开关技术。
Push button switch fitted on barrel can operate controller by pushing with a finger.
安装于胶管上的开关，用手指即可操作控制器作业。
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