单项选择题
A.77.97mB.38.99mC.113.14mD.56.57m
A.2.88×10-5m3/(m2·d)B.1.738×10-3m3/(m2·d)C.7.208×10-5m3/(m2·d)D.8.908×10-4m3/(m2·d)
A.78.00mB.78.25mC.76.25mD.75.50m