chrome iron ore

• 铬铁矿

chrome iron ore的用法和样例：

例句

1. The chromite ore resources and production in Tibet both rank first in our country.
   西藏地区的铬铁矿蕴藏量和开采量均居全国首位。
2. Greece has been producing refractory grade chromite ore for more than a hundred years.
   希腊生产耐火级铬铁矿石已有百余年历史。