Thes study and bring forward a new formula for acid bleaching of barite powders containing impurities such as fluorite and calcite.
研究并提出用稀盐酸、硼酸和反应助剂作为含有萤石、方解石杂质的重晶石粉体酸漂增白的新配方。
The above pattern will provide no matches because the dot (.) does not match newline a new line With the addition of thes modifier we can match the new lines.
上述模式将没有比赛，因为提供的点(。)不匹配换行符同为S修饰已经可以配合新线增加新行。
应用推荐