• The precipitation hardening effect and the grain refining effect of trace elements vanadium and titanium in microalloyed steels were researched on.

    本文研究微量元素非调质钢中的析出硬化作用细化晶粒作用。

    youdao

  • The precipitation hardening effect and the grain refining effect of trace elements vanadium and titanium in microalloyed steels were researched on.

    本文研究微量元素非调质钢中的析出硬化作用细化晶粒作用。

    youdao

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