brown iron ore
常見例句
- A yellowish-brown nickel iron sulfide that is the principal ore of nickel.
一種黃色鑛物，含硫化鎳，是少量鎳的來源。 - Main mineral well-galena, sphalerite, turbot zinc, malachite, copper-brown and a small amount of iron ore.
主要鑛物有方鉛鑛、閃鋅鑛、菱鋅鑛、孔雀石、蘭銅鑛及少量褐鉄鑛。 返回 brown iron ore