The effect that exhaust gas recirculation can reduce NOX formation is partly due to a reduction of the()concentration in the combustion zone and partly due to the content of water and carbon dioxide in the exhaust gas.A.OxygenB.NitrogenC.SulphurD.Freon
The effect that exhaust gas recirculation can reduce NOX formation is partly due to a reduction of the()concentration in the combustion zone and partly due to the content of water and carbon dioxide in the exhaust gas.
A.Oxygen
B.Nitrogen
C.Sulphur
D.Freon
相关考题:
I have got some leave ____________ to me at the end of the month and I will have a good rest. A、comingB、belongingC、owingD、due
要创建RollOver效果下面操作步骤正确的是哪一项()。 A、选择要创建RollOver的对象,先选择“Effect-RollOver-CreatRollOver”命令,再选择“Effect-RollOver-EditRollOver”命令,对当前选择的对象进行编辑,完成后选择“Effect-RollOver-FinishEditingRollOver”命令B、选择要创建RollOver的对象,先选择“Effect-RollOver-EditRollOver”命令,再选择“Effect-RollOver-FinishEditingRollOver”命令
Due ()the increase in raw material costs, we must unfortunately raise the cost of our merchandise ()you.A、for,forB、for,atC、to,toD、to,at
Current liabilities are( )A. due, but not receivable for more than one yearB. due, but not payable for more than one yearC. due and receivable within one yearD. due and payable within one year
InBritainpeople_____________fourmilliontonsofpotatoeseveryyear.A)swallowB)disposeC)consumeD)exhaust
The long‐awaited Hubble Space Telescope,due( )orbit the Earth next March,will observe some of the oldest stars in the sky.to
选出读音不同的选项。A.newB.fewC.sewD.due