地下水位降落
lowering of the underground water level
lowering of ground water level
groundwater depression
深层水位降落漏斗
deep groundwater depression funnel
水位降落过程
depressing process of groundwater level
水位降落漏斗
depression cone
Cone of Depression
cone of groundwater influence
地下水－河水相互作用
interaction of groundwater and stream
河道水流数学模型
numerical open channel flow model
河道水面曲线计算
river water sarface curve