forvacuum pump

例句：

1. 1. The vacuum pumpis used to remove air from the spacearound the object being pumped.
   真空泵用于从被抽空间中移除空气。
2. 2.The vacuum pump was designed to work efficientlyin a wide range of environments.
   真空泵设计用于在广泛的环境下高效工作。
3. 3. Thevacuum pump was essential for maintaining the cleanliness of the laboratory.
   真空泵对于保持实验室的清洁至关重要。