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 {,= hIXo>
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 A>\3FeU>UC
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 x!u6LDq0
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 upFe{M@
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 AnpO?+\HF
ha=过滤器进水段-降深