A.增加1.6~2.0 B.增加3.8~4.2 C.減少1.6~2.0 D.減少3.8~4.2
A.69120m3/h B.73728m3/h C.102000m3/h D.110592m3/h
A.2.4~2.8m3/s B.2.9~3.3m3/s C.3.4~3.8m3/s