jet testing

例句：

1. 1. Thejet test is a crucial step in thedevelopment of new aircraft.
   喷气式测试是新飞机开发过程中至关重要的一步。
2. 2. Thejet test revealed that the engine was notfunctioning properly.
   喷气式测试显示发动机无法正常工作。
3. 3. The jet test helped to improvethe efficiency of the aircraft.
   喷气式测试有助于提高飞机的效率。