A. 两台泵流量相等 B. 两台泵流量不相等 C. 两台泵扬程相等 D. 两台泵流量之和为总流量
A. unsigned char pdata*v=0x40; B. unsigned char data*v=0x40; C. unsigned char xdata*v=0x40; D. unsigned char code*v=0x40;