The purpose of the fan is to provide a powerful draft of air through the radiator. The radiator is a device for holding a large volume of water in close contact with a large volume of air so that heat will transfer from the water to the air.

• 风扇的作用是向散热器提供强大的空气流,与大量空气密切接触的散热器内可以容纳大量的水,这样热量可以通过水散发到空气中。