coaxial-streams injector

例句：

1. 1. The coaxial-streams injector isused to control the flow of oil andgas through the pipeline.
   同轴流喷射器用于通过管道控制油和气体的流动。
2. 2. The coaxial-streams injector was designed to improve the efficiencyof the oil extraction process.
   同轴流喷射器被设计用来提高石油提取过程的效率。
3. 3. The coaxial-streams injector is a critical component of theoil rig's safety system.
   同轴流喷射器是石油钻井平台的安全防护系统的关键部件。