A.50.24 B.54.4 C.58.25 D.62.7
A.γ0S1/S2=0.85>0.8;不满足漂浮验算 B.γ0S1/S2=0.75<0.8;满足漂浮验算 C.γ0S1/S2=0.70<0.8;满足漂浮验算 D.γ0S1/S2=0.70<0.8;满足漂浮验算
A.295 B.245 C.215 D.185
A.24000 B.32000 C.34400 D.38000
A.170 B.190 C.260 D.320
A.60 B.64 C.68 D.74