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为进一步了解我县集中式供水的卫生状况,指导饮水卫生管理工作,1991～1995年对县自来水公司给水及单位自备水源的卫生细菌学指标进行了连续监测,报告如下:1 材料和方法
In order to further understand the sanitary condition of centralized water supply in our county and to guide the management of drinking water hygiene, the hygiene bacteriological indexes of water supply by the company and its own source of water were continuously monitored from 1991 to 1995 and reported as follows: 1 Materials and Methods