合成气水汽变化反应的目的是什么?有必要的话,写出相应的反应方程。( 10 分) What are the goals of water-gas shift of syngas? If necessary, please write the relevant reaction equations. (10 points)
【简答题】Two ______ died of cold in that country last winter. A) hundreds old people B) hundreds of old people C) hundred old people D) hundred old peoples