hydraulic crawler drilling rig
1гидравлическая буровая установка на гусеничном ходу — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN hydraulic crawler drilling rig …
2Surface mining equipment — An Auger machine is a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove coal at a rate of more than 25 tons per minute. A bucket wheel excavator is a continuous digging machine equipped …
