홈 > Term: long awn
long awn
A direction of less than 45 degrees to the main natural line of cleat or cleavage in the coal. Also spelled horn. Compare: short awn.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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