首页 > Term: bar mining
bar mining
The mining of river bars, usually between low and high waters, although the stream is sometimes deflected and the bar worked below water level.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
0
创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)