negative supply rail

例句：

1. 1. The negative supplyrail is crucial for maintaining the stability of the electrical system.
   负供应轨道对于保持电气系统的稳定性至关重要。
2. 2. The negative supply rail was designed to prevent overheating in the engine compartment.
   负供应轨道被设计用来防止发动机舱过热。
3. 3. The negative supply rail is used to distribute power from the generator to the various components of the vehicle.
   负供应轨道用于将发电机产生的电力分配到车辆的各个部件。