首页 > Term: systematic timbering
systematic timbering
Placing mine timbers according to a predetermined plan, regardless of roof conditions.
- 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)