您要查找的是不是:
- To a coal mine, mine earth’surface subsidence, water resource destruction and pollution and mine solid castoff pollution are primary environmental geologic disasters. 煤炭开采引起的矿区地表变化和塌陷、对水资源的破坏和污染与矿区固体废弃物的污染是煤矿的主要环境地质灾害。
- Study on the regular pattern of the earth surface subsidence in goaf areas 采空区地表沉陷规律的研究
- earth surface subsidence 地表沉陷
- A large proportion of the earth surface is ocean. 地球表面大部分是海洋。
- That the earth surface has 3/4 covered by water. 地球表面有四分之三被水覆盖。
- Withdrawal of petroleum, water, sulphur, salt, or other substances can result in surface subsidence. 石油、水、硫磺、盐或其它物质的开采可以引起地表下降。
- Two thirds of the earth surface is made up of vast oceans. 地球的三分之二是由广阔的海洋构成的。
- Two-thirds of the earth surface is covered with water. 地球表面的三分之二是水。
- That the earth surface has 3/4ths is covered by water. 地球表面有四分之三被水覆盖。
- Surface subsidence was most serious in certain areas where large quantities of underground water were pumped out . 在地下水大量抽出的地区,地面下沉非常严重。
- The main kinds of hazards of road in Beijing mountain area are landslip, collapse, debris flow, karst and surface subsidence. 北京山区公路所遭受的地质灾害主要有滑坡、滑(崩)塌、泥石流、岩溶、采空地面塌陷等。
- Surface subsidence was most serious in certain areas where large quantities of underground water were pumped out. 在地下水大量抽出的地区,地面下沉非常严重。
- Gas field exploitation will destroy strata,cause land surface subsidence and even induce earthquake disaster. 气田开采会对地层造成破坏,引起地面下沉甚至诱发地震灾害;
- Four and two thirdsTwo thirds of the earth surface is covered by water. 地球表面的三分之二覆盖着水。
- Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence. 摘要大红山矿大理岩岩溶发育,由于突水造成井下大量涌水,同时引起地下水位急剧下降,引发了较大范围、较大规模的地面塌陷。
- The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems. 地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。
- The laws of ground surface subsidence and rockmass movement in east area of Chenchao iron mine due to underground mining are studied. 东区现有地表下沉属于不连续下沉,岩层破坏主要是缓慢型破坏。
- The model of layer onit is established with thin plate deflection theory. Besides, surface subsidence is forecast and verified with examples. 用板弯曲理论建立层单元模型;在此基础上预测地表下沉;并用实例验证.
- Meteorite strike events have severe, great and long-term impact on strata structure of the earth surface. 历史上发生的陨击事件对地球表面岩层构造产生了极其严重、深刻和长远的影响。
- The surface subsidence above coalmine gob area is a typical and serious geological environment problem in Yongcheng mining area. 煤矿采空区地面沉陷是永城矿区典型、突出的矿山地质环境问题。