The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.
交流电频率越高，渣-金界面的振荡频率越大，振幅随之减小；
The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.
交流电频率越高，渣-金界面的振荡频率越大，振幅随之减小；
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