It has the weldingcurrent feedback circuit and the welding voltage feedback circuit.
具有焊接电流反馈控制电路及焊接电压反馈控制电路。
2
Contact mark. Intermittent marks adjacent to the weld line resulting from the electrical contact between the electrodes supplying the weldingcurrent and the pipe surface.
触点痕。由于供焊接电流的电极与管子表面间的电接触，致使在焊缝线附近产生不连续痕迹。
3
High ability in resisting public power grid voltage wave ang power grid compensation, stable weldingcurrent.