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elastic boundary
The boundary of an underground opening that requires no support. The material around this boundary may be considered to be in the elastic state, and no pressure need be exerted against the boundary to prevent the material from fracturing and falling into the opening.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)