Satisfactory results were also obtained by using the T-type finned tube to replace the smooth tube in evaporator.
型翅片管代替光管用于蒸汽发生器，也取得了较好的效果。
The results show that comprehensive performance of "W" type spirally fluted tube is better than that of smooth tube.
单头“W”形螺旋槽管是在螺旋槽管的基础上开发出的一种新型强化管。
This paper studies the pin-fin tube, smooth tube and finned tube on the same wind channel test apparatus through experimental method.
采用实验研究的方法，分别对针翅管，平直翅片管和光管在同一风洞实验台上进行了实验。
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