Home > Term: hollow-rod churn drill
hollow-rod churn drill
A churn drill in which hollow rods replace the steel wire rope. The drilling fluid is pumped down the inside of the rods, and the chipping and fluid return to the surface on the outside.
- 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)