Modified polymerized ferric sulphate flocculating agent was made with ferrous sulphate heptahydrate,sulphate acid,natrium chlorate etc.是什么意思_Modified polymerized ferric sulphate flocculating agent was made with ferrous sulphate heptahydrate,sulphate acid,natrium chlorate etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句