elbow combustion chamber

例句：

1. 1. The elbow combustion chamber is a critical component of the engine's performance.
   肘部燃烧室是发动机性能的关键组成部分。
2. 2. The engineer carefully inspected the elbow combustion chamber before starting the engine.
   工程师在启动发动机前仔细检查了肘部燃烧室。
3. 3. The elbow combustion chamber is designed to improve fuel efficiency and reduce emissions.
   肘部燃烧室的设计旨在提高燃油效率并减少排放。