选矿
xuǎn​kuàng

ore dressing

xuǎn​kuàng ore dressing
  1. 选 選 xuǎn verb
    to choose
    to choose; to pick; to select; to pick out
  2. 矿 礦 kuàng noun
    ore
    mineral deposit; ore; naturally occurring materials in the earth that can be mined for value

xuǎn​kuàng concentrate
  1. 选 選 xuǎn noun
    selection
    (bound form) a person or thing that has been chosen
  2. 矿 礦 kuàng noun
    ore
    mineral deposit; ore; naturally occurring materials in the earth that can be mined for value