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他们开出一个富铁矿层。
They struck a rich seam of iron ore.
《牛津词典》
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云南大红山铁矿是一个著名的大型富铜铁矿床。
The Dahongshan deposit is a famous, large and rich copper-iron deposit in Yunnan.
youdao
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云南大红山铁矿是一个著名的大型富铜铁矿床。
The Dahongshan deposit is a famous, large and rich copper-iron deposit in Yunnan.
youdao