self-contained engine drive

例句：

1. 1. The new car has a self-contained engine drive, which makes it very convenient to start and stop.
   这辆新车配备了自给式发动机驱动，非常方便启动和停止。
2. 2. The self-contained engine drive is an important feature for long-distance travel.
   自给式发动机驱动是长途旅行的重要特点。
3. 3.The self-contained engine drive ensures that the vehicle can operate independently in various environments.
   自给式发动机驱动确保车辆可以在各种环境中独立运行。