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本文介绍法国国营铁路与钢铁界在开发机车车辆新材料方面所进行的研究,并对AC52、E490D等高弹性极限钢进行了试验,并取得了良好的结果。
This article describes the research conducted by French state-owned railway and the steel industry on the development of new materials for rolling stock, and tests on high-elastic limit steels such as AC52 and E490D have been carried out with good results.