循环粉磨时,回料量多比回料量少时细度易控制。
参考答案:错
I want to learn more about the American political system, but I don't know where to get the ________ .
A.idea
B.information
C.article
D.news
数字字符0的ASCⅡ值为48,若有以下程序 main() {char a=''1'',b=''2''; printf("%c",b++); printf ("%d\n",b-a); } 程序运行后的输出结果是【 】。
A.32
B.502
C.22
D.2,50