Flanging, smooth flow, the strength of the weld.

外翻边，水流通畅，焊届强度大。

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The characteristic and its production process flow of high strength welded pipe are introduced.

介绍了强力焊管的特点及其生产工艺流程。

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The characteristic and its production process flow of high strength welded pipe are introduced.

介绍了强力焊管的特点及其生产工艺流程。

youdao