vacuum chilling

例句：

1. 1.The vacuum chilling process is crucial for the preservation of food.
   真空冷却过程对于食品的保存至关重要。
2. 2.During the vacuum chilling process, the temperature drops significantly.
   在真空冷却过程中，温度会显著下降。
3. 3.The vacuum chilling method has been widely used in the food industry.
   真空冷却方法在食品工业中得到了广泛应用。