DW<sub>2</sub>─35型断路器灭弧室装配完毕,测量引弧距离为()
A、39±1mm
B、40±1mm
C、42±1mm
A、39±1mm
B、40±1mm
C、42±1mm
A、Pa0<sub>2sub>55mmHg,PaC0<sub>2sub>50mmHg B、Pa0<sub>2sub>65mmHg,PaC0<sub>2sub>40mmHg C、Pa0<sub>2sub>50mmHg,PaC0<sub>2sub>40mmHg D、Pa0<sub>2sub>70mmHg,PaC0<sub>2sub>35mmHg E、Pa0<sub>2sub>80mmHg,PaCO<sub>2sub>55mmHg
A、C<sub>2sub>H<sub>2sub> B、C<sub>1sub>H<sub>2sub> C、C<sub>2sub>H<sub>1sub> D、C<sub>1sub>H<sub>1sub>
A、MgO>CaF<sub>2sub>>TiO<sub>2sub> B、CaF<sub>2sub>>MgO>TiO<sub>2sub> C、CaF<sub>2sub>>TiO<sub>2sub>>MgO D、TiO<sub>2sub>>CaF<sub>2sub>>MgO
A、f<sub>cusub>=1.56F+2.35 B、f<sub>cusub>=2.76F-11.54 C、f<sub>cusub>=1.28F-0.64 D、f<sub>cusub>=2.35+1.38
A、PaO<sub>2sub>65mmHg,PCO<sub>2sub>40mmHg B、PaO<sub>2sub>55mmHg,PCO<sub>2sub>45mmHg C、PaO<sub>2sub>50mmHg,PCO<sub>2sub>60mmHg D、PaO<sub>2sub>85mmHg,PCO<sub>2sub>55mmHg E、PaO<sub>2sub>75mmHg,PCO<sub>2sub>30mmHg
A、f<sub>cusub>=1.56F+2.35 B、f<sub>cusub>=2.76F-11.54 C、f<sub>cusub>=1.28F-0.64 D、f<sub>cusub>=2.35+1.38