area blasting

多排列爆破, 面爆破

English-Chinese dictionary of mining (英汉矿业大词典). 2013.

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  • Blasting cap — A blasting cap is a small explosive device generally used to detonate a larger, more powerful explosive such as dynamite.Blasting caps come in a variety of types, some of which are: non electric caps, electric caps and fuse caps. They are used in …   Wikipedia

  • blasting —       process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator (blasting cap) in each hole, (3) detonating the charge, and… …   Universalium

  • Abrasive blasting — Sandblasting a stone wall Diesel powered compressor used as an air supply for sandblasting …   Wikipedia

  • Dry-ice blasting — used to clean a rubber mold Dry ice blasting is a form of abrasive blasting, where dry ice, the solid form of carbon dioxide, is accelerated in a pressurized air stream and directed at a surface in order to clean it. The method is similar to… …   Wikipedia

  • Dry ice blasting — is a process in which dry ice is accelerated in a pressurized air stream and directed at a surface in order to clean it. The method is similar to sand blasting, plastic bead blasting, or soda blasting but substitutes dry ice as the blasting… …   Wikipedia

  • Menai Bay Conservation Area — IUCN Category VI (Managed Resource Protected Area) Dolphins in the Menai Bay in Indian Ocean off Unguja coast …   Wikipedia

  • High pressure area — A high pressure area (also called a high or high pressure) is a region where the atmospheric pressure is greater than surrounding areas. In the northern hemisphere high pressure areas move clockwise, whereas they move counter clockwise in the… …   Wikipedia

  • construction area — /kənˈstrʌkʃən ˌɛəriə/ (say kuhn strukshuhn .airreeuh) noun an area in which building, demolition blasting, etc., is under way …   Australian English dictionary

  • USS Wisconsin (BB-64) — ( Wisky or WisKy ) is an Sclass|Iowa|battleship, the second ship of the United States Navy to be named in honor of the U.S. state of Wisconsin. She was built at the Philadelphia Naval Shipyard in Philadelphia, Pennsylvania and launched on 7… …   Wikipedia

  • tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   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

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