differential ion pump

例句：

1. 1.The differential ion pump is used tocontrol the flow of gases in avacuum chamber.
   差分离子泵用于控制真空室中气体的流动。
2. 2. The differentialion pump was developed to improve theefficiency of the vacuum system.
   差分离子泵的开发是为了提高真空系统的效率。
3. 3. Thedifferential ion pump is crucial for maintainingthe stability of the vacuum environment.
   差分离子泵对于保持真空环境的稳定性至关重要。