弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
采用具有全程调速器的内燃发动机、发电机、逆变弧焊电源，以及二次控制系统构成发电电焊两用机。
Generating and welding dual use set consists of generator, welding inverter, automatic control system, and internal-combustion engine controlled by speed regulator.
采用具有全程调速器的内燃发动机、发电机、逆变弧焊电源，以及二次控制系统构成发电电焊两用机。
Generating and welding dual use set consists of generator, welding inverter, automatic control system, and internal-combustion engine controlled by speed regulator.
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