- stepped-face underhand stope
-
почвоуступный забой
English-Russian dictionary of geology. 2011.
stepped-face underhand stope
Смотреть что такое "stepped-face underhand stope" в других словарях:
Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany … Wikipedia
