collector backward current

例句：

1. 1. The collectorbackward current is a crucial componentin the power system.
   收集器反向电流是电力系统中至关重要的组成部分。
2. 2. The collectorbackward current can be used to regulate thevoltage of the AC power supply.
   收集器反向电流可以用来调节交流电源的电压。
3. 3. Thecollector backward current is responsible for convertingthe DC power into AC power.
   收集器反向电流负责将直流电转换为交流电。