首页 > Term: roof cut
roof cut
A machine cut made in the roof immediately above the seam. A roof cut is sometimes made in a soft band of dirt over the coal, which gives increased height in thin seams. The cut is made with a turret coal cutter.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)