• 分离进步腐蚀性抗氧化作用制造耐热

    Silicon and molybdenum, tungsten, chromium and other separation, has improved corrosion resistance and anti-oxidation effect, can produce heat-resistant steel.

    youdao

  • 分离进步腐蚀性抗氧化作用制造耐热

    Silicon and molybdenum, tungsten, chromium and other separation, has improved corrosion resistance and anti-oxidation effect, can produce heat-resistant steel.

    youdao

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