brown iron ore
常见例句
- A yellowish-brown nickel iron sulfide that is the principal ore of nickel.
一种黄色矿物，含硫化镍，是少量镍的来源。 - Main mineral well-galena, sphalerite, turbot zinc, malachite, copper-brown and a small amount of iron ore.
主要矿物有方铅矿、闪锌矿、菱锌矿、孔雀石、兰铜矿及少量褐铁矿。 返回 brown iron ore