But the welding machine power supply is very important to the flash welding.
而焊机电源在闪光焊接中起着至关重要的作用。
To effectively control the voltage of rail flash welding, a kind of adjustable power supply system is developed.
针对钢轨焊接的电压控制要求，研制了钢轨闪光焊稳压调压电源系统。
The data update is completed by fixing parts and power supply for the FLASH player and MP4 player, arranging the LCD and controller on the surface of funerary urn, and using USB interfaces.
将FLASH音响和MP4用的零部。电源进行固定将 液晶屏和控制结构置于骨灰盒的表面，并增加USB接口，供相关资料 的更新。
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