旅游教育未来学会（TEFI）的五项价值体 系：循道、传知、敬事、专术、尊人。
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The effect of variable swirl on the fuel consumption of SI engine when TEFI (Twice Electronic fuel Injection) was adopted to lean burn combustion was studied.
主要研究了火花点燃式发动机采用二次喷油技术实现稀薄燃烧时，可变涡流对燃油经济性的影响情况。
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