three-stage supercharger

• 三级增压器

three-stage supercharger的用法和样例：

例句

1. The system can get very high supercharging pressure when the speeds of the two stage turbochargers are rather low, which ensures the system's security and reliability.
   两级增压器转速较低时能达到很高的增压压力，保证了系统的安全性与可靠性。