iron-stone

iron-stone

美 　英

• 网络精铁矿

例句

A meteorite is a piece of iron, stone, or stony-iron composite that has fallen to Earth from outer space.

陨石是一块铁，石，石铁复合，已从地球外层空间。

The Commerical Test of Recovery Ilmenite from Tailings of Taihe Iron Stone

从太和铁矿选铁尾矿中回收钛铁矿的工业试验研究