A .10c㎡
B .100c㎡
C .1000c㎡
D .10000c㎡
[单选题]单位换算1MPA=()。A .1000KPAB .2000KPAC .500KPAD .1100KPA
[单选题]质量单位换算:1kg=()。A .100gB .500gC .1000gD .2000g
[单选题]长度单位换算:1m=()。A .10mmB .100mmC .1000mmD .10000mm
[单选题]单位换算:1ft=()mm。A . 304.8B . 266.8C . 268.8D . 294
[单选题]压力单位换算:1mbar=()。A .0.1kPaB .1kPaC .0.1MPaD .1MPa
[单选题]压力单位换算:1MPa=()。A .1kg/cm2B .10kg/cm2C .100kg/cm2D .1000kg/cm2
[单选题]电压单位换算:1KV=()V。A .10B .100C .1000D .10000
[单选题]在公制单位换算中,1kW•h=()。A .103JB .3.6×103JC .106JD .3.6×106J
[单选题]单位换算1m3=()mm3。A . 103B . 102C . 106D . 109
[判断题]电压的换算单位1kV=10°mV。()A.对B.错