internal current

例句：

1. 1.The internal current in the circuit is causinga problem.
   电路中的内部电流导致了一个问题。
2. 2. Thescientist discovered that the internal current was responsiblefor the phenomenon.
   科学家发现，内部电流是这个现象的原因。
3. 3.The electrical engineer designed an internalcurrent controller to regulate the power supply.
   电气工程师设计了一个内部电流控制器来调节电源供应。