手提式砂轮机有什么用途?
参考答案:
手提式砂轮机主要用于大型的、不便搬动的金属件表面的磨削、去毛刺、清理焊缝及去锈等加工。
While it is essential that the text covers the subject adequately, it is also important that it is neither too detailed or too complex for the intended reader.
A.for
B.nor
C.no
D.not
下面程序的运行结果是______。 main()char ch[7]="65ab21"; int i,s=0; for(i=0;ch[i]>="0'&&ch[i]<='9';i+=2) s=10*s+ch[i]-'0'; printf("%d\n”,s);
A) 12ba56 B) 6521 C) 6 D) 62