exhaust gas recirculation

常见例句

To reduce the main pollutant of the diesel engine(particle and NOx), this paper designs the automatic controller by using the bag filter and Exhaust Gas Recirculation technology.
为减少柴油机的主要排放污染物（微粒和氮氧化物），研制了自动控制器（采用袋滤器以及废气再循环技术）。
Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.
推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。
The annual total cost of optimum design decreased by 20.8% than that of conventional design without EGR, 14.3% than that of conventional design when exhaust gas recirculation ratio was 0.2.
对湿空气出口温度和废气循环比进行优化设计，比无废气循环的常规设计节省年总费用20．8%，比循环比为0．2时的常规设计节省年总费用14．3%。

One is exhaust gas recirculation, which pumps cooled exhaust back into the engine air intake, lowering the combustion temperature and reducing NOx formation.
FORBES: Clearing the Air