ホーム > Term: churn shot drill
churn shot drill
A boring rig that combines both churn and shot drillings. The churn drill is used for rapid penetration in barren ground where no core is required. The shot drill is used for taking cores along important rock formations.
- 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
0
作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)