A .250
B .400
C .600
D .80
[单选题]1Mpa相当于()。A .10barB .100kgf/c㎡C .98个大气压
[单选题]某供暖系统试验压力为0.6MPa,相当于()kPa。A.0.6B.60C.600D.6000
[单选题]0.3MPa相当于()mmHg。A .760B .1520C .760D .2280
[单选题]0.3MPa相当于()kPa。A .30B .300C .3000D .30000
[单选题]2米水柱的压强相当于()。A .2MpaB .0.2MpaC .0.02MpaD .0.002Mpa
[单选题]2米水柱的压强相当于( )。A.2MpaB.0.2MpaC.0.02MpaD.0.002Mpa
[单选题]2米水柱的压强相当于( )。A.2MpaB.0.2MpaC.0.02MpaD.0.002Mpa
[单选题]2米水柱的压强相当于( )。A.2MpaB.0.2MpaC.0.02MpaD.0.002Mpa
[单选题]2米水柱的压强相当于( )。A.2MpaB.0.2MpaC.0.02MpaD.0.002Mpa
[单选题]2米水柱的压强相当于( )。A.2MpaB.0.2MpaC.0.02MpaD.0.002Mpa