axial area

例句：

1. 1. The design of the machine is optimized for maximum efficiency.
   这台机器的设计是为了最大化效率。
2. 2. The axial area of the engine is crucial for its performance.
   发动机的轴向面积对其性能至关重要。
3. 3. The axial area of the gearbox is measured by the number of teeth on each side.
   齿轮箱的轴向面积通过每侧的牙齿数量来测量。