电弧稳定，飞溅较少和熔透深，可确保焊接质量良好。
Stable arc, less spatter and deep penetration can ensure welding quality well.
电弧稳定、噪声低，振动小，焊机的使用效率和耐久性高。
Stable arc, low noise and less vibration ensure the welder run in high efficiency and has durability.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
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