The vadose zone supplies plant roots near the surface with water.
包气带为地表附近的植物根系提供水分。
Many of our largest cities obtain their water supplies from surface water.
我们许多大城市从地表水获得水源。
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。
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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