首页 > Term: open rock
open rock
Any stratum sufficiently open or porous to contain a significant amount of water or to convey it along its bed.
- 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)