介绍了一种解决普通手工交流电焊机功率因数偏低及耗能严重现象的方法。
A method which can increase power factor and decrease energy consumption of common manual ac electric welding machine is presented.
介绍了一种解决普通手工交流电焊机功率因数偏低及耗能严重现象的方法。
A method which can increase power factor and decrease energy consumption of common manual ac electric welding machine is presented.
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