“grain refining”的概念、定义、翻译、参考文献-科学参考

单词	grain refining
释义	grain refining Encyclopedia 工学[铸造]释 grain refining晶粒细化改变铸件凝固时的结晶生核和成长条件，使液体金属中同时或不断地产生新晶核，阻止枝晶的单向延伸而获得细小等轴晶的控制晶体生长方法。用这种方法生产的铸件一般都具有优良的力学性能。
随便看	ocean literature ocean magnetology ocean meteorological hazards ocean mixing Ocean modeling and simulation ocean observation system of magnetic diurnal variation ocean observation technology ocean observing information system oceanographic data oceanographic lidar oceanographic map Oceanographic Museum oceanographic satellite oceanographic survey oceanography oceanophysics oceanophysics instrument ocean optical properties ocean optical techniques ocean optics ocean paleoproductivity Ocean Parkway ocean plateau ocean polymentallic nodule analysis ocean port site resources

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