master cylinder body

例句：

1. 1. The engine's master cylinder bodyis responsible for controlling the fuel and airmixture.
   发动机的主缸体负责控制燃料和空气混合物。
2. 2. The engineer inspected themaster cylinder body to ensure it was functioning properly.
   工程师检查了主缸体以确保其正常工作。
3. 3. The car's mastercylinder body was replaced due to a leakin the previous one.
   由于之前的主缸体泄漏，这辆车的主缸体被更换了。