The result show : the mixed oil of low temperature the burning oil of biomass - diesel has better motility and economy than high temperature the burning oil of biomass - diesel ' s in the same proportion 结果表明:在相同比例下低温阶段的生物质燃油与柴油混合的混合油比高温阶段的生物质燃油与柴油混合的混合油具有更高的动力性和经济性。