churn-drill equipment

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churn drill — noun : a piece of drilling equipment in which the drill is raised by a rope or cable and allowed to drop, pulverizing the rock with successive blows * * * a portable drill rig using a bit fashioned on a massive steel cylinder that is alternately… … Useful english dictionary
оборудование для ударно-канатного бурения — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN cable tool well drilling equipmentchurn drill equipment … Справочник технического переводчика
List of Kururu's inventions — Many of the storylines in both the manga and the anime versions of Sgt. Frog happen thanks to Sgt. Major Kururu s knack for inventing. His twisted nature combined with Keroro s need to conquer Pokopen/Pekopon work fluidly together, as it gives… … Wikipedia

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