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- The author proposes and analyses technologies for extracting gas in seams with outburst hazards according to practical conditions of Huaibei coal mining area. 本文根据淮北矿区实际,提出并分析研究了淮北矿区突出煤层采掘工作面煤层气抽排技术。
- Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard. 认为:具突出危险性的厚煤层采用综采放顶煤开采法对消突是有积极作用的.
- This paper gives a descrip tion of the use of core method and outburst omen method to predict outburst hazard in airshaft of Haishi wan Coal Mine. 并介绍了海石湾矿风井岩芯法及其突出预兆法预测突出危险的试验情况。
- This paper describes the basic principle,composition and Outburst hazard criterion of the Russia-made 3y A-6 seismic acoustic monitoring system and its trlal application in No. 8 Mlne of Pingdinghan Coal Mining Administration. 介绍了俄罗斯3yA－6型地震声学监测系统的基本原理、系统组成、突出危险判据和在平顶山八矿的试验应用情况。
- Prediction Method for Gas Outburst Hazard Zone in a Mine 矿井瓦斯突出危险带的预测方法
- Study on Assessment Technique for Outburst Hazard of Protected Seam 被保护层突出危险性评价技术的研究
- Experimental Study of Using Gas Content Technique to Predict Outburst Hazard 瓦斯含量法预测突出危险性的试验研究
- Practice of Determining Sensitivity Index and Critical Value of Outburst Hazard 确定突出危险性敏感指标及其临界值的实践
- That outburst was illustrative of her bad temper. 这一通发作足以说明她脾气坏。
- As to the author of the book, I will hazard a guess. 关於这本书的作者，我来试猜一下。
- What lay behind this strange outburst? 这莫名其妙的发作究竟是为什麽?
- A soldier's life is full of hazards. 士兵的生活充满了危险。
- The President's arrival was the signal for an outburst of cheering. 总统来到爆发一阵欢呼声。
- The car had its hazard warning lights on. 这辆汽车亮起了危险信号灯。
- Wet roads are a hazard to drivers. 道路湿滑会对司机构成危险。
- His rash outburst incurred the displeasure of the judge. 他勃然大怒使法官不悦。
- That outburst was a typical example of his lack of self-control. 他那次发作是他缺乏自制力的典型事例。
- If I might hazard a guess, I'd say she was about30. 要是让我猜的话，我说她大概。
- Smoking is a serious health hazard. 吸烟严重危及健康。
- There was an outburst of laughter in the hall. 大厅里迸发出一阵笑声。
