between these two aquifer systems is aquitard which is composed by mild sand clay and mild clay of mid Pleistocene series.
潜水含水和承压含水
为中更新统大青沟组的淤泥质亚砂
、亚粘
组成的越流
。
between these two aquifer systems is aquitard which is composed by mild sand clay and mild clay of mid Pleistocene series.
潜水含水和承压含水
为中更新统大青沟组的淤泥质亚砂
、亚粘
组成的越流
。
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