medical vacuum pump

例句：

1. 1. The medical vacuum pump is used to remove air from the surgical area during surgery.
   医用真空泵用于手术过程中从手术区域移除空气。
2. 2. The medical vacuum pump helps maintain a sterile environment in the operating room.
   医用真空泵有助于维持手术室的无菌环境。
3. 3. The medical vacuum pump was designed to improve patient comfort during long procedures.
   医用真空泵被设计用来提高长时间手术患者的舒适度。