P<sub>0</sub>口的字节地址为()
A、80H
B、90H
C、0A0H
D、0B0H
A、80H
B、90H
C、0A0H
D、0B0H
A、p<sub>0sub><p<sub>asub> B、p<sub>0sub>=p<sub>asub> C、p<sub>0sub>>p<sub>asub> D、p<sub>0sub>≥p<sub>asub>
A、p<sub>0sub><p<sub>asub> B、p<sub>0sub>=p<sub>asub> C、p<sub>0sub>>p<sub>asub> D、p<sub>0sub>≥p<sub>asub>
A、P>P<sub>0sub>,防止Cl<sub>2sub>泄漏 B、P<P<sub>0sub>,防止Cl<sub>2sub>泄漏 C、P>P<sub>0sub>,防止空气混入 D、P<P<sub>0sub>,防止空气混入
A、P=P<sub>0sub>-rh B、P<sub>0sub>=P+rh C、P=P<sub>0sub>+rh D、P=rh-P<sub>0sub>
A、p<sub>1sub>q<sub>1sub> B、p<sub>0sub>q<sub>0sub> C、p<sub>1sub>q<sub>0sub> D、p<sub>0sub>q<sub>1sub>
A、0.8Q<sub>1sub>、0.64△P<sub>1sub> B、0.8Q<sub>1sub>、0.51△P<sub>1sub> C、1.25Q<sub>1sub>、1.56△P<sub>1sub> D、1.25Q<sub>1sub>、1.95△P<sub>1sub>
A、p<sub>1sub>>p<sub>2sub> B、p<sub>1sub><p<sub>2sub> C、p<sub>1sub>=p<sub>2sub> D、无确定关系
A、P<sub>1sub><P<sub>2sub> B、P<sub>1sub>>P<sub>2sub> C、P<sub>1sub>=P<sub>2sub> D、P<sub>1sub>=0.5P<sub>2sub>
A、1.5p<sub>dhsub>和≯p<sub>dhsub>+0.25MPa B、(1.1~1.15)p<sub>dhsub>和≯p<sub>dhsub>+0.25MPa C、(1.1~1.15)p<sub>dhsub>和1.5p<sub>dhsub> D、p<sub>dhsub>和≯p<sub>dhsub>+0.25MPa
A、p<sub>0sub>+ghp B、p<sub>0sub> C、0 D、p<sub>0sub>-ghp