tian ran ji he cheng duo kong xing zhan tu cai liao dui di xia shui zhong fu hua wu de xi fu xing neng yan jiu

shi jie shang hen duo guo jia he di qu du fen bu you gao fu di xia shui zai que shao ti dai shui yuan de qing kuang xia dang di ju min chang qi yin yong gao fu di xia shui jiang dai lai hen da de jian kang yin huan wei bao zheng zhe xie di qu ju min de yin yong shui an quan bi xu xian dui gao fu shui jin xing chu li xi fu fa shi mu qian chu fu gai ling yu yan jiu de re dian zhi yi kai fa gao xiao jian gu duo kong xing de xi fu cai liao qu chu di xia shui zhong de fu hua wu shi yan jiu de guan jian suo zai xuan ti ju you zhong yao de li lun yi yi he ying yong jia zhi ben wen kai zhan le san fang mian de xi tong yan jiu yi shi cai yong jing tai he dong tai shi yan shou duan yan jiu le tian ran lu zhao tu dui shui rong ye zhong fu li zi de xi fu xing neng xi fu ji li yi ji Cl NO3 SO42 HCO3 CO32 he PO43 dui xi fu guo cheng de ying xiang er shi cai yong jing tai xi fu shou fa yan jiu le fen bie yi FeSO4 7H2O he Fe2O3 wei tie zhi de he cheng duo kong xing cai liao dui shui rong ye zhong fu hua wu de xi fu xing neng he xi fu ji li san shi cai yong jing tai xi fu shou fa yan jiu le fen bie yi mu jie zhan tu he jin gang tu wei gu jia de Fe Al gai xing duo kong xing zhan tu cai liao dui shui rong ye zhong fu hua wu de xi fu xing neng bing bi jiao le liang zhong cai liao de xi fu neng li he te xing yi shang yan jiu wei qu chu di xia shui zhong fu hua wu de yan jiu ti gong le yi ding de li lun yi ju he ji shu zhi chi