홈 > Term: rack back
rack back
To move a drilling machine away from the borehole collar by sliding it on its base, using the rack-and-gear pinion to facilitate moving the machine.
- 품사: verb
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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작성자
- ed.young
- 100% positive feedback
(Milwaukee, United States)