The total tailings of re-concentration, when mixed with cement and local construction-use sand, can

中文解释

将再选全尾矿与水泥及当地建筑砂配合,可制备出强度达到MU10标准的尾矿免烧砖。

正在查询

demobilizes outrage public opinion 施加压力 material supply catastrophe solid ground give over a mode of life phase modulation certificate of commendation sweet voice