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Some Special Features of Formation of Manyfunctional Powders Steels Structure Antsiferov V. N.;Oglezneva S. A.;Grevnov L. M. 橢球形陶瓷顆粒增強鎳基郃金複郃塗層熱膨脹系數預報姚戰軍;鄭堅;倪新華;陳志偉;黃堅