n. aquitard
misc. poor aquifer
在弱含水层干扰井群降水计算时，不能按各单井等涌水量考虑，且不一定所有井都对计算点水位降深产生干扰。
On basis of the underground passage project between south and north square of Changchun Station, the dewatering calculation method for interferential well group in weak aquifer is presented.
提出了一个越流含水层系统考虑弱透水层吸附作用的地下水污染数学模型。
A mathematical model for groundwater pollution in a leaky aquifer system, which involves the adsorption of semipervious layer, is presented.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
The main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
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