shaft seal pump

例句：

1. 1.The shaft seal pump is used in the oil field to prevent water from entering the well.
   轴封泵用于油田以防止水进入井中。
2. 2.The shaft seal pump is a critical component of the oil extraction process.
   轴封泵是石油提取过程的关键组件。
3. 3. The shaft seal pump is designed to withstand high pressure and temperature conditions.
   轴封泵被设计来承受高压和高温条件。