engine thrust ball bearing

例句：

1. 1. The engineer designed thenew engine to have a high thrust.
   工程师设计了新引擎，具有高推力。
2. 2. The ball bearings in the engineare vital for smooth operation.
   引擎中的球轴承对于平稳运行至关重要。
3. 3. Thethrust of the engine ismeasured by the force it exerts on the surface of the fluid.
   引擎的推力通过它对流体表面施加的力量来测量。