首页 > Term: sliding scale
sliding scale
A method of paying for the coal in proportion to the amount of lump coal it contains.
- 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)