pre-cooling by pressurization

例句：

1. 1. The refrigeratorhas a pre-cooling function thathelps keep food fresh.
   冰箱具有预冷却功能，有助于保持食物新鲜。
2. 2. During the manufacturingprocess, pre-cooling is crucialfor preventing defects in the final product.
   在制造过程中，预冷却对于防止最终产品缺陷至关重要。
3. 3. The company uses advanced technology toachieve pre-cooling of the airbefore it enters the room.
   该公司使用先进技术，使空气在进入房间前进行预冷却。