oil reservoir cover screw

例句：

1. 1. The oil reservoir cover screw is used to secure the oil well head.
   油藏覆盖螺丝用于固定油井井口。
2. 2.The engineers carefully removed the oil reservoir cover screw and began the maintenance work.
   工程师们小心翼翼地拆除了油藏覆盖螺丝，开始了维护工作。
3. 3. The oil reservoir cover screw was a critical component in the production process.
   油藏覆盖螺丝是生产过程中的一个关键组件。