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综述和分析了缸内直喷汽油机(Gasoline Direct Injection,GDI)的优点和所存在的问题,研究了GDI汽油机和进气道喷射汽油机(port fuel injection,PFI)实现欧Ⅴ和欧Ⅵ排放法规的技术措施,对满足相同排放标准的GDI与PFI汽油机产业化成本进行了预测和研究。
The merits and existing problems of Gasoline Direct Injection (GDI) are summarized and analyzed. The effects of GDI gasoline engine and port fuel injection (PFI) on Euro Ⅴ and Euro Ⅵ emissions regulations Technical measures to predict and study the industrialization costs of GDI and PFI gasoline engines meeting the same emission standards.