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Conrad machine
Mechanized pit digger used in checking of alluvial boring. Five-foot-long (1.52-m-long) sections of tubing 24 in (61 cm) in internal diameter are worked into the ground from their mounting on a tractor, the spoil being at the same time removed by means of a bucket or grab. In suitable ground 50 ft (15.2 m) or more depth has been reached.
- 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)