首页 > Term: lip of shaft
lip of shaft
Eng. The bottom edge of a shaft circle where it is open to the seam workings.
- 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)