- ventilation by means of boundary shafts
- 对边通风
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
ventilation by means of boundary shafts
Look at other dictionaries:
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
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
Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… … Universalium
South Yorkshire Coalfield — The South Yorkshire Coalfield is defined by a triangle lying between Barnsley, Doncaster and Sheffield, though a few mines within the coalfield lie outside this area. It is part of the larger Midland coal field which stretches from Nottingham in… … Wikipedia
Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark … Wikipedia
Denton, Greater Manchester — Coordinates: 53°27′19″N 2°06′44″W / 53.4554°N 2.1122°W / 53.4554; 2.1122 … Wikipedia
Royal Engineers — British Army Arms and Services Combat Arms Royal Armoured Corps Infantry Guards Division Scottish Division … Wikipedia
Disley Tunnel — [UK] was built by the Midland Railway in 1902 on its line between New Mills South Junction and Manchester Central, which was more direct than the congested and difficult lines through Stockport Tiviot Dale. It was the most expensive work on the… … Wikipedia
Uranium mining — The Ranger Uranium Mine in Australia … Wikipedia
Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… … Wikipedia
