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.
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.
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.
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