Aluminium sulfate (alum) is widely applied as inorganic coagulant for the clarification of water to make clear water for industrial and drinking.是什么意思_Aluminium sulfate (alum) is widely applied as inorganic coagulant for the clarification of water to make clear water for industrial and drinking.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句