介绍了螺旋翅片管高频焊接工艺及其成型基本原理。
The high frequency welding procedure and its forming fundamental of spiral fin pipe is introduced.
分析了高频焊接螺旋翅片管焊接合格率偏低的原因。
The reason of lower welding qualified rate of high frequency welding spiral fin pipe is analyzed.
本文是一篇关于利用整体型内螺旋翅片管强化沸利昂12干式蒸发器传热的试验报告。
This paper is an experimental report on heat transfer enhancement of freon-12 dry evaporator using integral internal spiral fin tube.
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