英语语法分析

Test was made on separating iron from a low grade Vanadiferous titanomagnetite ore by a process of tailing discarding at a coarser size, staged grinding and staged low intensity magnetic separation.

采用粗粒抛尾—阶段磨矿、阶段弱磁选工艺对某低品位钒钛磁铁矿进行了选铁试验研究。