radiator centre

例句：

1. 1. The radiator centre is the most important part of the engine.
   散热器中心是发动机最重要的部分。
2. 2. The heat exchanger in this car is very efficient, keeping the engine cool.
   这款车的热交换器非常高效，保持发动机冷却。
3. 3. The heat sink in the computer case helps dissipate the heat generated by the processor.
   计算机机箱中的散热片帮助散发处理器产生的热量。