首页 > Term: normal air
normal air
A mixture of dry air and water vapor, varying from 0.1% to 3% by volume (usually over 1% in mines).
- 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)