• The inoculating effectiveness of rare-earth containing complex inoculants in the cylindrical cast piston ring of low-alloy gray cast iron is discussed in this paper.

    本文研究新型稀土复合孕育灰铸铁简体活塞环中的孕育效果

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  • The basic principle and the improvement of Santana spherical cast iron piston ring chromium plating technology is briefly introduced.

    概要介绍桑塔纳球墨铸铁活塞环工艺原理改进过程

    youdao

  • The basic principle and the improvement of Santana spherical cast iron piston ring chromium plating technology is briefly introduced.

    概要介绍桑塔纳球墨铸铁活塞环工艺原理改进过程

    youdao

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