单项选择题
A.77m3/hB.82m3/hC.104m3/h
A.100m3/minB.32m3/minC.10m3/min
A.350m3/h ,64m3/hB.420m3/h ,80m3/hC.350m3/h,80m3/hD.420m3/h ,64m3/h