single-screw pump

例句：

1. 1.The single-screw pump is used to remove oil from the engine.
   单螺杆泵用于从发动机中去除油。
2. 2.The single-screw pump was designed to improve efficiency in the oil extraction process.
   单螺杆泵被设计用来提高石油提取过程的效率。
3. 3. The single-screw pump is a reliable and efficient tool for industrial applications.
   单螺杆泵是一种可靠且高效的工业应用工具。