cylinder head lock

例句：

1. 1.The cylinder head lock is a critical component of the engine's operation.
   气缸头锁是发动机运行的关键部件。
2. 2. The cylinder head lock was designed to prevent oil from leaking out during the engine's operation.
   气缸头锁的设计目的是在发动机运行过程中防止油泄漏。
3. 3.The cylinder head lock was replaced after the engine had been running for several hours.
   发动机运行了几小时后，气缸头锁被更换了。