• Through further analyzing the conditions of subsurface blowhole formation and optimizing the technology conditions, the subsurface blowhole defect was eliminated.

    进一步分析球墨铸铁活塞环皮下气孔形成条件通过优化主要工艺参数达到防止皮下气孔的出现。

    lib.cqvip.com

  • Through further analyzing the conditions of subsurface blowhole formation and optimizing the technology conditions, the subsurface blowhole defect was eliminated.

    进一步分析球墨铸铁活塞环皮下气孔形成条件通过优化主要工艺参数达到防止皮下气孔的出现。

    lib.cqvip.com

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