Standard Specification for Blended Uranium Oxides with a 235U Content of Less Than 5 % for Direct Hydrogen Reduction to Nuclear Grade Uranium Dioxide是什么意思_Standard Specification for Blended Uranium Oxides with a 235U Content of Less Than 5 % for Direct Hydrogen Reduction to Nuclear Grade Uranium Dioxide在线翻译_英语_读音_用法_例句