单项选择题
A.Q1=0.71L/s、Q2=0.50L/sB.Q1=0.40L/s、Q2=0.40L/sC.Q1=0.71L/s、Q2=0.20L/sD.Q1=0.40L/s、Q2=0.20L/s
A.V=6072m3,SRT=32dB.V=6072m3,SRT=73dC.V=6667m3,SRT=32dD.V=6667m3,SRT=73d
A.487B.661C.851D.1241