The utility model can obviously improve the power factor of the ac arc welder to achieve the purpose of saving energy.
本实用新型可以明显提高交流弧焊机的功率因数，达到节约能源的目的。
The utility model can obviously improve the power factor of the ac arc welder to achieve the purpose of saving energy.
本实用新型可以明显提高交流弧焊机的功率因数，达到节约能源的目的。
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