Confined underground pipes, circular fluid without any possibility of groundwater pollution.

地下管路密闭, 循环液无任何污染地下水的可能.

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Major groundwater pollution sources were identified and mapped.

编制了地下水污染源分布图.

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But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution.

但水力破碎也产生了关于地下水污染危险的争论和愤怒.

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Considerny the practically of groundwater pollution, the author gives some suggestion about this problem.

针对矿区污染物对地下水污染的情况, 作者提出了减少矿区污染物对地下水污染的建议.

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Most of batteries containing mercury, Infiltration into the soil or groundwater, pollution the environment against humanity.

大部分电池中含有汞, 进入土壤或下渗到地下水中, 污染环境,危害人类.

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There are many groundwater pollution sites in China, which threatened the safety usage of water resources.

摘要我国存在大量的地下水污染场地, 给地下水资源的使用带来了严重威胁.

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