【摘要】 介绍我国和国外管道直饮水的二次污染的状况,分析净水输配过程中二次污染产生的原因和重要的影响因素,并提出一些防止措施。更多还原

【Abstract】 A general Description of repollution of directly potable pipelime water, present situation of water repol - lution at home and abroad, factors causing repollution, and preventive measures for it are stated.更多还原