Home > Term: calyx drill
calyx drill
A core drill generally employed in rotary-drilling boreholes of less than 3 in (7.62 cm) to more than 6 ft (1.8 m) in diameter in hard rock or concrete, using chilled-steel shot as a cutting medium.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
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Penulis
- ed.young
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(Milwaukee, United States)