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drifter drill
The heaviest form of hammer drill made in various sizes depending upon the severity of the work to be done. The heaviest type weighs more than 200 lb (91 kg) and is used for holes up to 20 ft (6.1 m) in depth. Must be mounted on a column or bar.
- 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)