• 研究改进了现行钢铁件常温黑化工艺,通过极化曲线测试蚀性测试、寿命测试得到性能良好常温亚硒体系黑化

    A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.

    youdao

  • 研究改进了现行钢铁件常温黑化工艺,通过极化曲线测试蚀性测试、寿命测试得到性能良好常温亚硒体系黑化

    A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.

    youdao

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