单项选择题
A.Pk=160.4kPa≥fa=150kPa,不满足 B.Pk=152kPa≥fa=150kPa,不满足 C.Pk=120.4kPa≤fa=150kPa,满足 D.Pk=69.8kPa≤fa=150kPa,满足
A.150kPa B.167kPa C.194kPa D.224kPa