作物的主要供水层下移。
曾经给这些井提供水源的蓄水层已被宣告枯竭。
The aquifer which had once fed the wells was pronounced dry.
洛河砂岩水是黄陵矿区供水水源中的唯一水质水量合乎要求的含水层。
The Luohe sandstone water is the only aquifer with eligible water quality and quantity of water supply source in the Huangling mining area.
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