홈 > Term: centering of shaft
centering of shaft
The fixing of the center spot of a proposed shaft at the site selected and the maintenance of the shaft sinking along this plumb line during its entire depth.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)