A.防火墻;1.50hB.防火墻;2.00hC.耐火極限為2.00h 的防火隔墻;1.50hD.耐火極限為2.00h 的防火隔墻;2.00h
A.4m,6mB.5m,6mC.6m,5mD.5m,7mE.6m,6m
A.14B.13C.12D.10