常見例句雙語例句It has oil, gold, chromium, iron ore and a host of other minerals.擁有石油、黃金、鉻、鐵礦石和大量的其他礦產(chǎn)。The invention discloses a method for preparing the chromium-iron alloy directly by adopting the chromium iron powdered ore.本發(fā)明公開了一種利用鉻鐵礦粉直接制備鉻鐵合金的方法。ip.comThe results show that smelting reduction and direct alloying by chromium ore in the converter are feasible, and externally applied reducing agent is indispensable;結(jié)果表明:轉(zhuǎn)爐內(nèi)用鉻礦熔融還原直接合金化是可行的,且必須外加還原劑;權(quán)威例句It has oil, gold, chromium, iron ore and a host of other minerals.ECONOMIST: Sudan's separation 返回 chromium ore