单项选择题
A.0.1MPaB.0.2MPaC.0.3MPaD.0.4MPa
A.0.1MPa~0.15MPaB.0.1MPa~0.2MPaC.0.2MPa~0.25MPaD.0.2MPa~0.3MPa
A.20℃~25℃B.20℃~30℃C.25℃~35℃D.20℃~40℃