An aquifer is a water - bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.

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A horizontal dislocation, as of a rock stratum, at a fault.

(地质学)因断层而造成的 、 通常指侧向或水平移位.

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At present, most high - level suction tunnels are driven in rock stratum and cost much.

目前的高位抽放巷多为岩巷,施工成本高.

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The Carlin - type gold deposit, Wunan gold deposit, was first found recently in carbonate rock stratum.

梧南金矿床是产于碳酸盐岩地层的微细粒浸染型金矿类型.

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