执行以下指令后: MOV AL,34H OR AL,0FH AL的内容为:()
A. 3FH
B. 0FH
C. 34H
D. F3H
The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures () in much the same way as for the main engine.
A. to be kept
B. logged
C. changed
D. has remained
油、气、水在储油构造中的分布规律是()
A. 顶部是油,中部是水,低部是气
B. 顶部是气,中部是油,低部是水
C. 顶部是油,中部是气,低部是水
D. 顶部是水,中部是油,低部是气
癌前疾病或癌前病变(precancerous disease or precancerous lesions)