ironstone iron ore
This is not always true - as with the manufacture of pig iron and steel from low - grade iron ores - but it did lead to the concentration of industrial developments on the coal fields.
并非一概如此 — 例如从低级铁矿石中生产生铁和钢材的情况一但是这导致了工业发展集中在煤田上。
—— 给力词典精选To smelt iron ore in a blast furnace can obtain iron.
在高炉中熔炼铁矿石,可取得铁。
—— 辞典例句Iron ore is found in rocks.
铁矿石是在岩石中发现的。
—— 辞典例句Iron is extracted from iron ore by heating the ore with coke and limestone.
铁是通过用焦碳和石灰石加热铁矿石而提炼出来的。
—— 辞典例句They provide the iron ores which supply the industrial complexes of Detroit and the surrounding regions.
它们给底特律及其周围地区的工业联合企业提供铁矿石。
—— 辞典例句