试验换热管为垂直套管式，外层为加热水路，内层为工质回路，中心布置着电极。
The test section was a vertical tube-in-tube heat exchanger with hot water in the annulus and the test refrigerant in the inner tube.
试验换热管为垂直套管式，外层为加热水路，内层为工质回路，中心布置着电极。
The test section was a vertical tube-in-tube heat exchanger with hot water in the annulus and the test refrigerant in the inner tube.
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