-
1.The Vulcan coupling in the engine is responsible for its power and efficiency.
发动机中的瓦卢安耦合负责其动力和效率。
-
2.The Vulcan coupling has been optimized to improve fuel efficiency.
瓦卢安耦合已被优化以提高燃油效率。
-
3. The Vulcan coupling is a critical component of the transmission system.
瓦卢安耦合是传动系统的关键组成部分。