如果稳定降深小于等于孔深与初始静止水位之差的0.2倍,则Ha=孔深与初始静止水位之差的1.3倍 k'8q/]
如果稳定降深小于等于孔深与初始静止水位之差的0.3倍,则Ha=孔深与初始静止水位之差的1.5倍 f(y+1
如果稳定降深小于等于孔深与初始静止水位之差的0.5倍,则Ha=孔深与初始静止水位之差的1.7倍 &-*l{"7p+%
如果稳定降深小于等于孔深与初始静止水位之差的0.8倍,则Ha=孔深与初始静止水位之差的1.85倍 >T;!Z 5L1
如果稳定降深小于等于孔深与初始静止水位之差的1.0倍,则Ha=孔深与初始静止水位之差的2.0倍 7> f2P!:
ha=过滤器进水段-降深