Exhaust Gas Recirculation(EGR) is adopted to reduce nitrogen oxide emission of CA498 engine fueled with dimethyl ether.是什么意思_Exhaust Gas Recirculation(EGR) is adopted to reduce nitrogen oxide emission of CA498 engine fueled with dimethyl ether.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句