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gopher hole blasting
Terms applied to the method of blasting in which large charges are fired in small adits driven into the face of the quarry at the level of the floor.
- 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)