A deformation way from round welded pipe to square one is introduced.
介绍了一种由圆形焊管变方形焊管的变形方式。
The pass design method of high strength welded pipe is also explained with examples.
举例说明了强力焊管孔型设计方法。
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。
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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