bogie individual power supply

例句：

1. 1.The engineers are responsible for the maintenance of the bogie.
   工程师负责维护机车。
2. 2.The train's bogie is a critical component in its operation.
   机车是列车运行的关键部件。
3. 3. The new bogie design will significantly improve efficiency.
   新型机车设计将大大提高效率。