砂金矿开采
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alluvial gold mining
冲积金矿开采
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This paper has analysed the Hunan alluvial gold deposit and its present mining status.
本文分析了湖南砂金矿床及砂金的开采情况。
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He is one of many who have flocked to the Kangari hills in southern Sierra Leone to find small fortunes in the hard graft of alluvial gold mining.
VOA: standard.2010.04.22
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