alluvial gold
短语词组
- alluvial l gold 砂金;沖積砂金
- alluvial type gold placer 沖積砂金鑛牀
- alluvial gold deposit 沙金鑛
- ALLUVIAL GOLD DUST 金粉
- alluvial gold production 砂金生産
- alluvial gold mine 砂金鑛山
- washing of alluvial gold 砂金洗選
- separation of alluvial gold 砂金分選
- alluvial gold mining 砂金鑛開採 返回 alluvial gold