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.
由于噪声的存在，会使测试分析系统所采集到的焊接电弧电信号的数据误差增大，数据的精确程度会受到干扰而发生变化。
Welding arc data error of signal collected will be increased by the existence of noise. Accurate degree of data will be interfered and change.
电弧稳定、噪声低、振动小提高焊机的使用效率和耐久性。
Stale arc, low noise, less vibration to increase the utility and durability.
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