1)EVP EGR Valve Position (sensor),废气再循环控制阀位置传感器2)EPOS EGR Valve Position,废气再循环控制阀位置3)EGRP EGR-Position,废气再循环位置4)exhaust gas recirculation valve,废气循环控制阀5)exhaust pressure modulated ,exhasut gas recirculation valve,排气压力控制废气再循环阀6)vacuum and spring operated exhaust gas recirculation valve,真空-弹簧控制型废气再循环阀