coolant mechanism

例句：

1. 1. The cooling mechanism of the refrigerator is essential for maintaining a comfortable temperature inside.
   冰箱的冷却机制对于保持内部温度舒适至关重要。
2. 2. The engineers have designed a new cooling mechanism that can significantly reduce energy consumption.
   工程师们设计了一种新的冷却机制，可以显著降低能源消耗。
3. 3.The coolant mechanism in the engine works by circulating coolant through the cylinders to dissipate heat.
   发动机中的冷却机制通过将冷却液循环通过气缸来散发热量。