对告成矿出现的一起钻场火灾原因进行了认真分析，阐述了所采取的主要防范措施。
The article has analyzed the cause of a fire at drilling field in Gaocheng Colliery and given a full exposition of the major control measures.
实践表明高位抽放与仰角抽放方法相结合，既可减少钻场施工，又有较好的抽放效果。
It proved that gas drainage with high position bores and elevation bores can both reduce laneway digging work and get fairly good gas extracting result.
应用CFD软件对涡轮钻具组的内流场进行了分析研究，重点讨论了模拟压降和扭矩。
The internal flow field of multi-turbine is studied by CFD software, and the simulated pressure drops and torques are discussed in this paper.
计算与观场施工相吻合，说明所用钻具都比较合理。
The computation results are in agreement with the field BHA, thus indicating all the drilling tools used are more reasonable.
他击中24分，举行库克到仅9，并钻了一个25英尺长，在蜂鸣器交付最后第二场胜利。
He hit for 24 points, held Cooke to just nine, and drilled a 25-footer at the buzzer to deliver a last-second victory.
他击中24分，举行库克到仅9，并钻了一个25英尺长，在蜂鸣器交付最后第二场胜利。
He hit for 24 points, held Cooke to just nine, and drilled a 25-footer at the buzzer to deliver a last-second victory.
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