The characteristics of flue gas and actuality of its pollution were introduced in our country.The importance and impendence of flue gas denitrification technology were emphasized.是什么意思_The characteristics of flue gas and actuality of its pollution were introduced in our country.The importance and impendence of flue gas denitrification technology were emphasized.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句