首页 > Term: toe-to-toe drilling
toe-to-toe drilling
The drilling of large-diameter blasting holes in quarries and opencast pits. They are put down vertically from top to bottom of the quarry face. Deck loading is often adopted, 3319 with half to two-thirds of the total charge at the bottom and the remainder in one or more deck charges as required.
- 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
- 100% positive feedback
(Milwaukee, United States)