中间转速 meaning in Chinese

driver aid
intermediate speed

These can provide consult for the performance ' s analysis of the type of diesel engine . besides , the author synthetically analysizes it ' s fuel - economy and exhaust emission characteristic , including three areas ( low , medium and high speed conditions ) , and makes a conclusion that the diesel engine has superiority to be matched with the camion and mobile machinery shop
另外，还对该型柴油机的燃油经济性与排放特性进行综合分析，全面分析了该柴油机常用功率范围内的三个工况区域(低速工况、中间转速工况、高速工况)的经济性与排放性能，得出该柴油机与载重及工程用车配套具有优越性的结论。