- thick seam shearer
- MINING TERMS ТНТ №119
выемочный комбайн со шнековым исполнительным органом для мощных пластов
New terms dictionary. 2013.
New terms dictionary. 2013.
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
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