This is the same arrangement found in an old-fashioned steam radiator, in which the coiled pipes pass heat back and forth as water courses through them.
这个结构与老式蒸汽暖气片相同，水流经散热器时，热量通过盘管来回输送。
2
There is hardly any water in the radiator.
机油没问题，散热器里快没水了。
3
An induction motor, by contrast, can be cooled passively-and thereby dispense with the hefty radiator, cooling fan, water pump and associated plumbing.