例句 /

The paper presents some new technologies, technical characteristics and applications developed to meet the current critical emission regulations and improve the fuel economics of diesel engines.

The paper presents some new technologies, technical characteristics and applications developed to meet the current critical emission regulations and improve the fuel economics of diesel engines.

本文综述了为满足目前排放法规要求,提高柴油机燃油经济性,世界汽车工业发达国家所开发的一些主要技术、这些技术的特点及应用情况。