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- orientation fracture blasting 定向断裂爆破
- Working practices in rock drifts show that the selected slit-charge directed fracture blasting method is feasible,it opens u... 经岩巷生产实践表明：所选择的切缝药包定向断裂爆破方法是可行的，它为改革现有光面爆破技术提供了良好的应用前景。
- Deep hole directional fracture blast were used in rock entry,which decreased the size of debris,raise the quality of entry and brought economic benefit. 在岩巷中运用周边定向断裂爆破技术,减少了矸石粒度,提高了巷道成形的质量,并且创造了可观的经济效益。
- The model test investigations of directed fracture blasting have been carried out by using the super dynamic measuring system and the 3-dimensional laser holographic dynamic photoelastic instrument. 采用三维激光全息动光弹超动态综合测试系统进行了定向断裂爆破模型试验研究。
- The development of this compound technique of perforating in fracturing blasting of coal seam showed a very promising applicable future. 该技术在煤层致裂爆破以及其他领域的多方向发展,具有良好的应用前景。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- The Determination of Vertical Fracture Orientation. 垂直裂缝方位的确定。
- Keywords directional fracture blast;XPM shotcreting additive;econmic benefit; 周边定向断裂爆破;XPM喷射混凝土添加剂;效益;
- It's flight No.104, northwest orient airlines. 是西北航空公司的104号班机。
- I needed some orientation at this stage. 我在这个阶段需要熟悉情况。
- The vase seems to have an orient origin. 这花瓶好像来自东方。
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- They love paintings from the Orient. 他们喜欢来自东方的绘画。
- In the market, I breathed the smells of the Orient. 在集市上，我闻到了东方的气息。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- The efficiency of hydraulic fracturing treatment in reservoirs with low permeability can be improved by oriented fracturing assisted with hydraulic perforating. 水力射孔辅助定向压裂可有效提高低渗透油田压裂效率,明显改善压裂效果。
- The rising sun is orient in the blue sky. 在蓝天里初升太阳光辉夺目。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
