backfill operations

充填工作

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

Look at other dictionaries:

  • Dowel bar retrofit — sawcuts A dowel bar retrofit befor …   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

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • Tire recycling — is the process of recycling vehicles tires (or tyres) that are no longer suitable for use on vehicles due to wear or irreparable damage (such as punctures). These tires are among the largest and most problematic sources of waste, due to the large …   Wikipedia

  • Cortez Gold Mine — Cortez Gold Mine …   Wikipedia

  • List of USAF Bomb Wings and Wings assigned to Strategic Air Command — Main article Strategic Air Command 2d Wings “Liberty We Defend” See 2d Bomb Wing 5th Wings “Guardians of the Upper Regions” See 5th Bomb Wing 6th Wings “Ready to Defend” see 6th Bomb Wing 7th Wings “Death from Above” see 7th Bomb Wing 9th Wings… …   Wikipedia

  • Dispatch (logistics) — Dispatch is a procedure for assigning employees (workers) or vehicles to customers. Industries that dispatch include taxicabs, couriers, emergency services, as well as home and commercial services such as maid services, plumbing, HVAC, pest… …   Wikipedia

  • US Silver — Corporation (Tsxv|USA) is a mining company based in Wallace, Idaho near Coeur d Alene, Idaho. The Chairman of the Company is John P. Ryan, the CEO is Bruce Reid, and the President is Mark Hartmann.In 2006 USSC purchased the Coeur, Caladay, and… …   Wikipedia

  • Maryland Air National Guard — Active 1921 – present Country Un …   Wikipedia

  • 320th Air Expeditionary Wing — Infobox Military Unit unit name=320th Air Expeditionary Wing caption= 320th Air Expeditionary Wing dates= 1942 1989, 1998 Present country= United States allegiance= branch= United States Air Force type= role= size= command structure= current… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.