The deep groundwater cannot be drinked strictly, and can be used for industry and agriculture in a general way.

深层地下水严格讲不能直接饮用，一般满足工农业用水的水质要求。

youdao

On the contrary, the exploitation of the deep groundwater, with weak renewable ability, should be strictly controlled.

深层地下水更新能力弱，应严格限制其开发利用。

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The eastern part of North China Plain is short of water resources, the deep groundwater had been overdrawn seriously and the eco-environment had deteriorated.

华北平原东部水资源短缺，深层地下水严重超采，生态环境恶化。

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The roots of the plant may have to grow several meters deep to reach groundwater.

VOA: special.2010.07.13

Its deep roots can find and take up groundwater.

VOA: special.2010.02.09

At Goliad the uranium ore is located just 400 feet deep within the same rock as a groundwater reservoir that ranchers tap for drinking water, both for themselves and their livestock.

FORBES: Energy's Latest Battleground: Fracking For Uranium

Lechuguilla Cave, in New Mexico, USA, is a deep cave, formed over four million years ago by the action of sulphuric acid from groundwater.

BBC: Cave bacteria could help develop future antibiotics