- headgate-to-tailgate ventilation
- восходящая система проветривания
English-Russian mining dictionary. В.П. Манышев.
headgate-to-tailgate ventilation
Смотреть что такое "headgate-to-tailgate ventilation" в других словарях:
Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… … Wikipedia
