caving

noun

1. 洞穴探察
   the sport or activity of going into caves under the ground
   1. He had always wanted to go caving .
      他过去一直想探索洞穴。

1. N-COUNT 山洞;洞穴
   A cave is a large hole in the side of a cliff or hill, or one that is under the ground.
   1. ...a cave more than 1,000 feet deep.
      1,000多英尺深的山洞

1. Aiming at the geological and mining conditions in Qianhe gold mine, the experimental research on small segment caving mining method is carried out.
   针对前河金矿地质及开采技术条件和生产现状，进行了小分段崩落采矿法试验研究。
2. Spontaneous combustion is easily to take place in mined out area of fully mechanized top coal caving workface.
   开展采空区稳定性方面的研究，对保证矿山持续发展和人民生命财产安全有非常重要的意义。
3. Analysis on coal mining rate of fully mechanized top coal caving mining in Kailuan Mining Area;
   厚煤层综采放顶煤开采技术不仅有利于实现厚煤层开采的高产、高效率、高效益。
4. Is the life I love caving in?
   我所热爱的生活是不是沉沦了？
5. Transition from open pit to underground mining; Pillarless sublevel caving method; Parameter optimization; Application study;
   露天转地下开采；无底柱分段崩落法；参数优化；应用研究；
6. Research and Application of Upward Top Coal Caving Mining Technology in Thick Seam
   厚煤层上行开采放顶煤技术研究与应用
7. Based on the field measurement and theoretical analysis, the model of strata structure over the coal face is established with fully mechanized sublevel caving in bottom slice.
   在大量现场实测与理论研究的基础上，建立了下分层综放开采的覆岩结构模型，并对大、小结构的稳定性及其对矿压显现的影响进行了分析。
8. The process of ore-drawing in block caving is completed under overburden.
   自然崩落法放矿基本上都是在覆盖岩层下进行的。
9. Application of Non-pillar Sublevel Caving Method in Pillar Recovery
   无底柱分段崩落法在矿柱回收中的应用
10. Research and Exploration on High-power Fully Mechanized Coal Caving Technology
    大功率综采放顶煤装备技术研究与探索
11. The research on the fractured blocks of the top coal in the longwall top coal caving technique of the hard coal seam;
    对坚硬顶煤预裂中存在的问题，采用在地应力场控制下水力压裂的方法，研究了煤层地应力场控制参数。
12. Research and Practice of Fully Mechanized Coal Caving Technology for Thin Coal Seam Under Complicated Geological Conditions
    复杂地质条件下薄煤层综采技术的研究与实践
13. Characteristics of Gas Emission and Distribution of Fully Mechanized Top-Coal Caving Face Under Gas Drainage Conditions
    综放工作面抽放条件下瓦斯涌出及分布特征
14. Numerical Simulation Research on Water-burst from Floor in Full-mechanized Caving Mining Thick Coal Seam in Deep Mine
    深井厚煤层综放开采底板突水数值模拟研究
15. The river was caving the banks.
    河水在两岸冲了个洞。
16. This paper introduces the state of the art and the development of thick seam mining techniques in details and the prominent achievements in top-coal caving and large cutting height workface in China.
    详细介绍了我国厚煤层开采技术现状与发展历程，以及我国在放顶煤开采和大采高开采方面所取得的突出成绩。
17. The paper introduces bolting technology firstly used for seam mining and caving in coal roadway in Datong Coal Mine Co.
    介绍了锚网支护技术在高瓦斯松散软煤层大断面全煤巷道中的应用及该技术的经济意义和社会效益。
18. Mining Height Long Caving Mining Stope Pressure Control Technology
    大采高超长综放工作面采场矿山压力控制技术研究
19. A computer-aided technical management for sublevel caving is established and its structural design, compositions and functions are introduced.
    介绍了一种适用于无底柱分段崩落法的计算机辅助技术管理系统的结构设计、系统组成与功能等。
20. Sublevel caving without sill pillar is used in Xishimen Iron Mine.
    西石门铁矿采用无底柱分段崩落采矿法开采。
21. Analysis of Mining Pressure in Sublevel Caving and Its Controlling Methods
    无底柱分段崩落法采动地压规律分析及控制方法研究
22. Research on Relationship of Mining Height and Recovery of Top-coal in Full-mechanized Caving Mining
    综放开采割煤高度与顶煤回收率相互关系研究
23. Technology of continuous mining-induced caving roof is the organic combination of continuous mining technology and induced caving roof technology.
    连续采矿顶板诱导崩落技术是连续采矿技术和诱导崩落技术的有机结合。
24. Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
    分析了放顶煤开采顶煤冒放性的影响因素。
25. You spoiled them by caving in.
    你的屈服让他们更嚣张。
26. The adoption of pillarless sublevel caving with high sublevel and large drive interval is a world development orientation.
    采用高分段大间距是无底柱分段崩落采矿法在世界各国的发展方向。
27. I enjoy Science and Art and also snorkeling and scuba diving, caving, abseiling and climbing.
    我喜欢科学和艺术，也浮潜，潜水，探险洞穴，游绳和攀爬。
28. Application of High-pressure Water Injection in Coal Seam at Fully Mechanized Caving Face
    煤层高压注水在综采放顶煤工作面的应用
29. Selecting support pattern is an important component in support design for mining roadway in fully mechanized caving face.
    选择支护形式是综放回采巷道支护设计的重要内容。
30. Intenerating technique of top coal in fully mechanized top coal caving hard thick coal seam;
    阐述了坚硬厚煤层综放开采关键设备的选型、设备间的工作关系等。