difficult-to-float

英['dɪfɪkəltt'əfl'əʊt] 美['dɪfɪkəltt'əfl'əʊt]
  • 难选
  • difficult adj.困难的;艰难的;(人)难对付的;不易相处的
  • issues n.议题;债券;发行物;子嗣名词issue的复数形式.
  • legal adj.法定的;法律的;合法的
    1. It is difficult to concentrate for Arsenical gold Mineral.
      含砷金矿属难选矿石。
    2. Primary gold ore from Bangi, Guizhou, belongs to a clastic-type, finely disseminated, refractory particles.It is difficult to extract gold from the ore by cyanide infusing.
      贵州板其原生金矿石属碎屑岩类微细浸染型难选冶矿石,在氰化浸出之前需进行预处理。