首页 > Term: circular shaft
circular shaft
A shaft excavated as a cylinder. The circular shaft is equally strong at all points; convenient for concrete lining and tubbing, both of which can be made relatively watertight; and offers the least resistance to airflow.
- 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)