结果表明：重熔电流从坩埚壁经熔池表面流回电极，铸锭和坩埚底部几乎没有电流；
The results show that the current flows during VAR from crucible wall to the electrode via the surface of the ingot melt pool, and the currents in the crucible base and the ingot base are almost zero.
结果表明：重熔电流从坩埚壁经熔池表面流回电极，铸锭和坩埚底部几乎没有电流；
The results show that the current flows during VAR from crucible wall to the electrode via the surface of the ingot melt pool, and the currents in the crucible base and the ingot base are almost zero.
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