commutation arc
... commutation angle 换向角 commutation arc 换向电弧 commutation capacity 换向能力 ...
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换向器电弧 commutator arcing
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指出交流MIG电弧稳定性与换向前的电流、换向后的电压有密切关系。
The stability of the AC MIG arc is closely related to the current before the polarity reversing point and voltage after that point.
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