四层卷焊管生产的关键技术是其成型技术。
The forming technology is the key step in the manufacturing processes.
综合阐述了四层卷焊管成型过程中的各技术环节。
In this paper, each forming operation during quadruple-wall curly brazed tubes' forming processes was summarized.
模拟结果可为四层卷焊管配辊方案的设计提供理论依据。
The results can provide theoretical basis for roll arrangement design of quadruple-wall curly brazed tubes.
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