考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
并以基于PC和运动控制卡的开放式四轴数控系统实现支管端头的变角度焊接坡口面切割。
The open four-axis CNC system based on PC and motion control card can accomplish the cutting of various-angle welding plate.
并以基于PC和运动控制卡的开放式四轴数控系统实现支管端头的变角度焊接坡口面切割。
The open four-axis CNC system based on PC and motion control card can accomplish the cutting of various-angle welding plate.
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