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In order to prepare high quality porous magnesium alloys materials, massive pores must exist in the alloys, the crystal grains of the alloy's skeleton should be refined as well.
在保证医用多孔镁合金具有大量孔隙的同时，使材料骨架部分的晶粒细化，才能制备出高质量多孔镁基合金材料。
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