After separation,circum? uence and at last,the white attapulgite clay is obtained.The results show that this process can not only speed up the reaction velocity and shorten the hal...是什么意思_After separation,circum? uence and at last,the white attapulgite clay is obtained.The results show that this process can not only speed up the reaction velocity and shorten the hal...在线翻译_英语_读音_用法_例句