【正文】
l and suggest to solve the problem of the problem of the water pollution in Yangtze area.Keyword: Fluid matter of Yangtze River。氨氮濃度。 sour salt index number of high manganese。高錳酸鹽指數(shù)。 the ammonia nitrogen density。摘 要關(guān)鍵詞:長江水質(zhì)。 environment capacity of water