low pressure pump

例句：

1. 1. The low pressurepump is used to remove water from theunderground aquifer.
   低压泵用于从地下含水层中抽取水。
2. 2. The lowpressure pump is essential for maintaining the cleanliness of the air in the room.
   低压泵对于保持房间内空气的清洁至关重要。
3. 3.The low pressure pump was designed to reducenoise and improve efficiency during operation.
   低压泵被设计成在运行过程中减少噪音并提高效率。