propulsion data

例句：

1. 1. The propulsion system is responsible for the ship's forward motion.
   推进系统负责船舶的前进运动。
2. 2.The rocket's propulsion system is highly efficient.
   火箭的推进系统效率非常高。
3. 3. The propulsion system needs to be maintained regularly to ensure smooth operation.
   推进系统需要定期维护，以保证平稳运行。