long-stroke diesel engine

例句：

1. 1. The new model of the long-stroke diesel engine has been launched.
   新型长行程柴油发动机已经推出。
2. 2. The long-stroke diesel engine is widely used in heavy industry.
   长行程柴油发动机在重工业中被广泛使用。
3. 3. The long-stroke diesel engine provides more power and efficiency than traditional engines.
   长行程柴油发动机比传统发动机提供更多的动力和效率。