pre-alloyed steel powder的意思|示意
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预合金钢粉
pre-alloyed steel powder的网络常见释义
预合金钢粉 ...文版） 关键字: 粉末冶金；预合金钢粉；复压复烧；拉伸性能[gap=1169]Key words: powder metallurgy; pre-alloyed steel powder; double press/double sinter; tensile properties...