홈 > Term: hydraulic drill
hydraulic drill
A hand-held or machine-mounted rotary drill for boring shot-firing holes in coal or rock and operated by hydraulic fluid. The drill outfit includes a skid-mounted powerpack comprising a 5-hp (3.73-kW) flameproof electric motor, pump, and tank. The coal drill weighs about 32 lb (14.5 kg).
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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작성자
- ed.young
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(Milwaukee, United States)