常见例句Keywords Fluorite;Baritite;Separating flotation;pyrogallicacid; 螢石;重晶石;浮選分離;焦性沒食子酸;Keywords baritite;Barium Carbonate;Ammonium Bicarbonate method; 重晶石;碳酸鋇;碳銨法; 返回 baritite