• The effects of current density on the main properties of iron coating were investigated by using low-temperature iron plating technology without pre-etching.

    采用刻蚀低温技术研究电流密度铁镀层主要性能影响

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  • The processing technology of electroless copper plating on graphite powders by iron powder method and formaldehyde method were studied and evaluated.

    研究比较了两种化学方法——甲醛石墨表面镀工艺

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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

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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

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