ORES
abbr. Office of Research and Engineering Services 研究與工程服務辦公室
Ore is rock or earth from which metal can be obtained.
...a huge iron ore mine.
巨大的鐵礦山
They'd mined the hillside for the ores.
他們曾在這個小山坡上開採礦石.
After enduring the hardship of the arduous fieldwork , the prospecting team discovered many new ores.
地質勘探隊員餐風飲露,歷盡辛苦, 找到了不少新的礦藏.
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.
並非一概如此 — 例如從低階鐵礦石中生產生鐵和鋼材的情況一但是這導致了工業發展集中在煤田上.
Ores are also being obtained in quantity from other countries.
礦石也從國外大量輸入.
Iron ores of greatest economic interest contain magnetite and hematite.
最具有經濟價值的鐵礦包括磁鐵礦和赤鐵礦.