“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	Rules for the Implementation of Regulation on Plant Quarantine （for Agriculture） Rules for the Implementation of the Mineral Resources Law of the People's Republic of China rules for the preparation of polygraph questions Rules for the Records Management of Museum Exhibition in Beijing Municipality on Museums（Trial） Rules for Traditional Operas Rules of Academic Committee in Universities Rules of City Defense rules of competitive sports rules of differentiation and integration for functions of Grassmann variables rules of engagement rules of evidence rules of growth and development Rules of Higher Education Council(Trial) rules of jus cogens rules of law rules of natural area differentiation Rules of Oleron Rules of Posthumous Names rules of procedure rules of sound rules of specie rules of statutory interpretation rules of the court Rules of the Palace Museum Council Rules of the People’s Republic of China on the Legal Survey of Fishery Vessels

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