Heavy-duty diesel engine

• 重型柴油机

Heavy-duty diesel engine的用法和样例：

例句

1. The two-stage turbocharging systems have showed a promising application for the heavy duty diesel engines and high performance vehicle diesel engines.
   摘要二级增压系统在重型柴油机和高性能轿车柴油机上均有良好的应用前景。