This paper puts forward a recursion equation, which is verified in the forecast and calculation of phenol pollution of Linfen Section of Fenhe River.是什么意思_This paper puts forward a recursion equation, which is verified in the forecast and calculation of phenol pollution of Linfen Section of Fenhe River.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句