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据报道,我国特种金属材料领域九位顶尖专家会同科技部有关部门负责人,最近在宁夏参加了国家钽铌特种金属材料工程技术研究中心可行性论证会。即将组建的国家钽铌特种金
It is reported that nine top experts in the field of special metallic materials, together with the heads of relevant departments of the Ministry of Science and Technology, recently participated in the feasibility study of the national engineering center of tantalum and niobium special metals in Ningxia. The upcoming formation of the national tantalum and niobium special gold