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。

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

youdao

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。

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

youdao