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介绍了镁基轻质材料在现代工业发展中的作用、研究与应用状况和发展趋势论述了国外压铸镁合金及其在汽车工业中的应用．
The role of magnesium-based lightweight materials in the development of modern industry, the status of research and application, and the development trend are introduced. The die-casting magnesium alloy abroad and its application in automobile industry are also discussed.