It also requires protection of aquifers and groundwater and surface water sources for drinking water supplies.

它也需要保护含水层和地下水和地表水来源的饮用水供应。

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It also requires protection of aquifers and groundwater and surface water sources for drinking water supplies.

它也需要保护含水层和地下水和地表水来源的饮用水供应。

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