The enterprises and institutions mentioned in the preceding paragraph shall report without delay any substantial change in the categories, quantities or concentrations of the pollutants discharged.是什么意思_The enterprises and institutions mentioned in the preceding paragraph shall report without delay any substantial change in the categories, quantities or concentrations of the pollutants discharged.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句