首页 > Term: breast bore
breast bore
(Scotland) A borehole put in parallel with the seam, that is made and kept in advance of a working place for the purpose of ascertaining the position of old works, tapping water, letting off gas, etc.
- 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)