化学需氧量：http://www.zjpwq.net/cms/jjgs/25352.htm
氨氮：http://www.zjpwq.net/cms/jjgs/25353.htm
二氧化硫 :http://www.zjpwq.net/cms/jjgs/25354.htm氮氧化物：http://www.zjpwq.net/cms/jjgs/25355.htm
