ホーム > Term: roller-cone core bit
roller-cone core bit
A type of roller bit with cutter cones arranged to cut an annular ring leaving an uncut section in the center as core.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)