ore concentrate

• 精矿

ore concentrate的用法和样例：

例句

1. The process on molybdenum concentrate acid pressure oxidation is investigated.
   研究钼精矿酸性加压氧化工艺过程。
2. Boron concentrate and boron - rich slag were used to produce borax and boric acid.
   硼精矿和富硼渣可代替面临枯竭的硼镁石作生产硼砂和硼酸的原料。