ejector jet pump

例句：

1. 1. The ejector jet pump is used to remove oil from the engine.
   喷射泵用于从发动机中去除油。
2. 2. The ejector jet pump is a crucial component of the fuel injection system.
   喷射泵是燃油喷射系统的关键部件。
3. 3. The ejector jet pump helps to improve the efficiency of the engine.
   喷射泵有助于提高发动机的效率。