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1.前言经过多年研究已确定饮用水中的微生物对健康有影响,但对微量化学物质而言除了由于事故导致混入水中的现象以外,尚无对健康有害的明确事例,因而没有引起重视。
1. Introduction Many years of research have identified the health effects of microorganisms in drinking water. However, for trace chemicals, there are no definitive examples of health problems other than the accidental mixing with water.