- permanent headframe
- постоянный надшахтный копер
Большой англо-русский и русско-английский словарь. 2001.
permanent headframe
Смотреть что такое "permanent headframe" в других словарях:
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
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
