홈 > Term: back slip
back slip
A joint in a coal seam that is inclined away from the observer from floor to roof. It would be a face slip from the opposite direction. Compare: face slip.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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