具有焊接电流反馈控制电路及焊接电压反馈控制电路。
It has the welding current feedback circuit and the welding voltage feedback circuit.
用控制可控硅导通角来控制焊接电流的输出。
Controlling the conduct Angle of the silicon symmetric switch controls the output of the electric current for spot welding.
参数控制包括焊接电流，焊接速度，送丝速度，保护气。
Parameter controls for welding current, travel speed, wire speed and shielding gas.
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