A.17.85MPa /米 B.12.75kPa/米 C.8.88MPa/米 D.5.35MP/米
A.89.18MPa B.100.18MPa C.76.44MPa D.79.18MPa
A.0.0103kPa/m B.0.0103MPa C.0.0105 D.0.0103MPa/m