water concentration是什么意思

用法例句

The clear water preparation and low medium comsumption were achieved by the technology of flocculants and coagulation filling.

介绍了桃山选煤厂营运的特点,既生产冶炼用炼焦精煤,又生产高炉喷吹用无烟精煤的多品种的产品结构,采用凝聚剂和絮凝剂配比添加技术,实现了清水选煤及低介耗。