The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
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