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Soil is the transition zone through which pollutants enter into groundwater. Therefore, studying the behavior of Cr in soils will provide scientific instruction for the treatment of pollution accident and thus protect groundwater. 土壤是污染物进入地下水的过渡带,从污染源进入地下水必须穿过这一过渡带,因此研究土壤中铬的环境行为可以科学指导突发性污染事故的处理,达到保护地下水环境的目的。