subcooling degree of condensate

例句：

1. 1.The refrigerator operates at a subcooling of 2°C.
   冰箱的运行温度为2°C。
2. 2.The process of refrigeration involves subcooling the air before it is cooled by the condenser.
   制冷过程涉及在被冷凝器冷却之前使空气过冷。
3. 3.The subcooling in this region is due to the low temperature gradient.
   该地区的过冷是由于低温梯度引起的。