关键词： 黄土高原；坡耕地；综合治理；循环利用；模式 [gap=709]Key words: Loess Plateau; slope farmland; comprehensive control; recycled utilization; model
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To combine with other waste water treatment methods for the processed water, we can realize the recycled utilization or discharge of waste water.
处理后的废水再结合其他废水处理方式，达到循环利用或排放的目的。
That can provide the theoretic grounds for the use of highly surface-activated minerals to control environmental pollution and its recycled utilization.
这为利用高表面活性矿物控制和治理环境污染及其可循环利用提供了理论依据。
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