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。
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It features additional units such as casing, refrigerating coiled pipe, radiatorcoiled pipe and throttle device.