expansion cooling

例句：

1. 1. The new model car has a high level of energy efficiency and low fuel consumption.
   这款新型汽车具有高能效和低燃油消耗的特点。
2. 2. The expansion cooling system is designed to reduce the temperature inside the engine compartment during high-speed driving.
   膨胀冷却系统旨在在高速行驶时降低发动机舱内的温度。
3. 3.The expansion cooling system is an essential component of modern cars, providing efficient heat management.
   膨胀冷却系统是现代汽车不可或缺的组成部分，它提供了高效的热量管理。