The key to an EGR system is introduced, and the control of exhaustgas quantity recirculation quantity of that in every point at best.
EGR系统的关键就是控制废气的引入量，使废气的再循环量在每一个工作点都达到最佳状况。
2
Install the additional coolant pump for exhaustgasrecirculation.
安装用于废气再循环的附加冷却液泵。
3
The technology of exhaustgasrecirculation (EGR) has been researched in a turbocharged direct-injected diesel engine in order to reduce Nitrogen Oxides (NOX) emission.