A.0.88 B.1.02 C.0.43 D.0.91
A.112.6kPa B.103.2kPa C.92.8kPa D.64.6kPa
A.k=1.0 B.k=1.5 C.k=0.5 D.已知條件不足,無(wú)法計(jì)算