direct current balancer

例句：

1. 1. The direct current balancer is used to regulate the flow of electricity in a circuit.
   直流平衡器用于调节电路中电流的流动。
2. 2. The direct current balancer was designed to prevent overheating of electronic components.
   直流平衡器被设计用来防止电子元件过热。
3. 3. The direct current balancer is crucial for maintaining the stability of power systems.
   直流平衡器对于保持电力系统的稳定性至关重要。