简述SH型离心泵的主要零部件。
参考答案:
主要零部件有:泵体、泵盖;叶轮、密封环;泵轴、轴套;填料、填料套、填料压盖;水封环;轴承体、滚珠轴承;联轴器。
—Where is Tom ?
—Well , he __________ you __________ here. Otherwise he would come down right now.
A.didn’t know ; were
B.hasn’t known ; are
C.doesn’t know ; are
D.hadn’t known ; were
下列程序的运行结果为 【8】 。 main() int a[3]C4=1,3,5,7,2,4,6,8,15,17,34,12; printf("max value is %d\n",max value(3,4,a)); max value(m,n,array) int m,n,array[][4]; int i,j,max; max=array[0][0]; for(i=0;i<m;i++) for(i=0;i<n;j++) if(max<array[i][j])max=array[i][j]; return(max);