The result shows the co-soaking improved the framework and the temperature, soaking time and concentration of terrae rare had great effect on the framework.

  • 结果表明:硼铬稀土共渗改善了渗层组织,而且温度、保温时间、稀土浓度的变化对渗层组织都有较大的影响。
目录 查词历史