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通过介绍国内外汽车发动机球铁曲轴的材质应用及其铸造工艺现状，从而对球铁曲轴的适用性及发展前景做了分析展望。
By introducing the material application of ductile iron crankshaft of automobile engine at home and abroad as well as the current situation of its casting process, the applicability and development prospect of ductile iron crankshaft are prospected.