cold pump

例句：

1. 1.The cold pump is essential for maintaining the temperature in the laboratory.
   冷泵对于实验室的温度维持至关重要。
2. 2. The cold pump was designed to remove heat from the engine.
   冷泵被设计用来从发动机中移除热量。
3. 3.The cold pump was used to cool down the air before it was released into the room.
   冷泵被用来在空气释放到房间之前进行冷却。