【判断题】废气再循环(Exhaust Gas Recirculation) 控制系统,简称EGR
【单选题】An EGR(exhaust gas recirculation废气再循环) valve may be used to control
C.
unburned hydrocarbons.
【单选题】以下选项中不属于商务谈判的三大方针的是( )
【单选题】The average tariff rates for manufactured goods have fallen significantly since 1950 and now stand at about _____.
【单选题】An exhaust gas bypass is installed on a waste heat boiler in order to ().
A.
bypass exhaust gas at high loads to prevent excessive back pressure
B.
bypass a portion of the exhaust gas at peak loads for better efficiency
C.
recycle exhaust gas to the turbocharger
D.
minimize moisture condensation in the boiler gas passages at low loads
【判断题】exhaust gas turbochargers 意思是废气涡轮增压器。()
【判断题】路票的分类:路票分为常用路票和备用路票。备用路票除未印刷表示区间的站名外,其他和常用路票格式一致。