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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。
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.
本公司是集模具设计与制造，注塑成型、喷油丝印，冲压和组装等二次 加工为一体的专业性生产企业。
Our company specializes in making moulds, hardware and plastic products including mould design, manufacturing&injection moulding, painting&printing, stamping, assembly and other secondary processing.
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