• The invention relates to chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and a preparation method thereof, and belongs to the technical field of alloy steel.

    发明涉及一种--稀土-中高贝氏体及其制备方法合金钢技 术领域。

    youdao

  • The invention relates to chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and a preparation method thereof, and belongs to the technical field of alloy steel.

    发明涉及一种--稀土-中高贝氏体及其制备方法合金钢技 术领域。

    youdao

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