在虚拟接地模式中，高通道将提供电流，低通道将吸收电流。
In virtual ground mode, the high channel will source and the low channel will sink current.
本文介绍一种利用高电压、大电流的电热解堵法，这种方法解堵快、安全、经济、简单易行，凡有供电线路的地方均可使用。
The paper deals with a method of thermoelectric dewaxing with high voltage and high electric current, simple to handle, safe and economical.
生产型高梯度磁选机激磁功率大且为大电感性负载，其供电系统输出电流很难稳定。
High Gradient Magnetic Separator for production needs high exciting power and its inductive load is great. The stabilization of output current from power supply system is difficult.
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