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parting cleaner
In bituminous coal mining, one who only picks out seam partings (layers of rock) in the coal working face prior to blasting, using a long-handled pick.
- 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
- 100% positive feedback
(Milwaukee, United States)