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    论穿孔毛管外折叠缺陷

    ON OUTER FOLD DEFECT OF PIERCED SHELL

      摘要
    • 摘要: 阐述了穿孔毛管外折缺陷产生的原因和影响因素;论述了减少穿孔外折缺陷的工艺措施。

       

      Abstract: Elements responsible for pierced shell outer fold are investigated and technological measures to reduce the said defects are discussed.

       

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