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EGR(Exhaust Gas Recirculation)系统亦称之为废气再循环系统,其主要作用是:使部分废气进入进气歧管,并与混合气一起进入燃烧室以降低燃烧温度,减少NOx的生成量。由此可见,废气再循环的控制对发动机工作
The EGR (Exhaust Gas Recirculation) system is also referred to as an exhaust gas recirculation system. The main function of the EGR system is to make part of the exhaust gas enter the intake manifold and enter the combustion chamber together with the mixture to reduce the combustion temperature and reduce the generation of NOx. Thus, the control of the exhaust gas recirculation works on the engine