frozen perched ground water
permanent perched water
perched temporary ground water
perched water table
栖留地下水位
栖止地下水位
栖留潜水面
滞水面
滞水台
栖留水位
悬着水位
栖留水面
渗滤
Upper perched water zone
permanent water plant on left hank of Three Gorges
abnormal change of escaped gas radon from ground water
agricultural evaluation on ground water
allochthonic ground water
artificial ground water