variable geometry combustor

例句：

1. 1.The variable geometry combustor is designed to optimize the efficiency of the engine.
   可变几何燃烧器的设计旨在优化发动机的效率。
2. 2.The variable geometry combustor has been shown to improve fuel efficiency in diesel engines.
   研究表明，可变几何燃烧器在柴油发动机中可以提高燃油效率。
3. 3. The variable geometry combustor was developed to address the challenges of high-speed operation in jet engines.
   开发可变几何燃烧器是为了解决喷气发动机高速运行的挑战。