首页 > Term: medium-thickness seam
medium-thickness seam
In general, a coal seam over 2 ft (0.6 m) and up to 4 ft (1.2 m) in thickness.
- 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)