单项选择题
A.20m,20.12mB.20m,21.24mC.20.12m,20.24mD.20.12m,21.24m
A.101.316KPa;-162℃B.101.316KPa;-168℃C.101.325KPa;-168℃D.101.325KPa;-162℃
A.3000B.300C.2000D.1500