A.1.5~3 B.4~5 C.3~4 D.5~6
A.X1=0.016c(V2-V0)×100m2 B.X1=0.016cm2(V2-V0) C.X1=0.016m2c(V2-V0) D.X1=0.016c(V0-V2)×100m2
A.X2=0.016c(V3-V0)×100m3m4m5 B.X2=0.016c(V3-V0)×100m3/(m4m5) C.X2=100m3m4m5×c(V3-V0) D.X2=0.016c(V0–V3)×100m5/(m3m4)