left-hand revolving engine unit

例句：

1. 1. This left-hand revolving engine unit is the key to our success.
   这个左手旋转引擎单元是我们成功的关键。
2. 2. The engineers worked tirelessly to develop a new left-hand revolving engine unit.
   工程师们不懈努力，开发了一种新的左手旋转引擎单元。
3. 3. The left-hand revolving engine unit has revolutionized the way we power our vehicles.
   左手旋转引擎单元已经彻底改变了我们为车辆提供动力的方式。