This pipe material has high strength and its welding process is complicated.
这种管材强度高、焊接工艺复杂。
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 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 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。
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