论文部分内容阅读
城市自来水供水卫生问题关系到千家万户的卫生健康。自来水的净化处理是卫生监督管理的一个重要环节，新型ＭＤ复合净水剂具有净化效果好，速度快，无环境污染，用量少，生产工艺流程卫生安全经济，投入少特点。特别对地表水处理效果尤佳。为确保广大居民饮用安全卫生无污染自?
The problem of sanitary water supply in urban areas is related to the health of thousands of households. Purification of tap water is an important part of health supervision and management. The new MD compound purifying agent has the advantages of good purification effect, fast speed, no environmental pollution, less dosage, less waste and less investment in the production process. Particularly good effect on surface water treatment. To ensure that the general population safe drinking water without pollution from?