化学需氧量：http://www.zjpwq.net/cms/jjgs/29996.htm

氨氮：http://www.zjpwq.net/cms/jjgs/29997.htm

二氧化硫： http://www.zjpwq.net/cms/jjgs/29998.htm

氮氧化物： http://www.zjpwq.net/cms/jjgs/29995.htm