A.0.01MPa B.0MPa C.0.03MPa D.0.01~0.03MPa
A.0.1B.0.1~0.2C.0.1~0.3D.0.01~0.03
A.0.1 B.0.1~0.2 C.0.1~0.3 D.0.1~0.4