홈 > Term: stall-and-room working
stall-and-room working
A pillar method of working a relatively thick coal seam by a system of compartments; a modification of pillar-and-stall.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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