홈 > Term: caving ground
caving ground
Rock formations that will not stand in the walls of an underground opening without support, such as that offered by cementation, casing, or timber.
- 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)
