kingston valve

例句：

1. 1. The kingston valve isa critical component in the oil pipeline system.
   金斯敦阀门是石油管道系统中的关键部件。
2. 2. The engineers were tasked withreplacing the old kingston valve with anew one.
   工程师们被指派更换旧的金斯敦阀门。
3. 3. Thekingston valve was designedto prevent leaks and ensuresafe operation of the pipeline.
   金斯敦阀门的设计目的是防止泄漏并确保管道的安全运行。