常见例句Keywords Fluorite;Baritite;Separating flotation;pyrogallicacid; 萤石;重晶石;浮选分离;焦性没食子酸;Keywords baritite;Barium Carbonate;Ammonium Bicarbonate method; 重晶石;碳酸钡;碳铵法; 返回 baritite