常見(jiàn)例句雙語(yǔ)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.為減少柴油機(jī)的主要排放污染物（微粒和氮氧化物） ，研制了自動(dòng)控制器（采用袋濾器以及廢氣再循環(huán)技術(shù)）。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.推薦可變壓縮比（VCR）方案、可變廢氣再循環(huán)率（EGR）方案、可變排氣門關(guān)閉時(shí)刻方案，以及廢氣再循環(huán)滾流分層充氣方案等。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.對(duì)濕空氣出口溫度和廢氣循環(huán)比進(jìn)行優(yōu)化設(shè)計(jì)，比無(wú)廢氣循環(huán)的常規(guī)設(shè)計(jì)節(jié)省年總費(fèi)用20．8%，比循環(huán)比為0．2時(shí)的常規(guī)設(shè)計(jì)節(jié)省年總費(fèi)用14．3%。權(quán)威例句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 返回 exhaust gas recirculation