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通过试验分析Ｓｏｆｉｍ发动机汽缸盖铝合金材料，进而揭示了该零件国产化的或行性。最后提出应注意的问题。
Through the analysis of Sofim engine cylinder head aluminum alloy material, and then revealed the localization of the parts or the line. Finally, we should pay attention to the problem.