At present, about 2/3 of domestic waste, 2/5 of industrial solid waste and 2/5 of livestock and fowl manure have not been treated properly in Chongming Island and it has caused serious contamination.
目前上海市崇明岛约有2/3的生活垃圾、2/5的工业固体废物、2/5的禽畜粪便尚未得到妥善处理，固体废物污染颇为严重。
We study how to control the solid grain, microorganism and water quality of tap water, and put the research about the solid grain contamination into emphasis.
本文对自来水固体颗粒污染物、微生物和硬度等三种主要污染物的控制方法进行了研究，其中着重研究了固体颗粒污染物的控制理论和方法。
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