由泵型得知q=500mI/r Q=1440XqXnXl0-6 =1440X500X120X10-6 =86.4(m3/D)
h=H泵—H動 =899.3—435.7 =463.6(m)
H泵=h+H動 =230.4+579.3 =809.7(m)