Method and its application of uneven ground modifying in directional drilling locus design are narrated in this article.
叙述了在定向钻进的钻孔轨迹设计时，地面不平整度修正的方法与应用。
Introduced the directional broken blasting technology and application results in Xingtai coal mine.
介绍了定向断裂爆破施工工艺及其在邢台煤矿应用的效果。
For mining CBM effectively, directional CBM production Wells were drilled through the application of directional drilling.
为有效开采煤层气，应用定向钻进技术施工煤层气定向井。
This text introduces the application of theodolite in the directional measure technique in Qidong ventilation shaft.
简要介绍了陀螺经纬仪在定向测量中的应用和祁东风井联系测量技术。
According to the normal well path types of the directional and sidetrack Wells, the calculating process is analyzed and the application cases are given.
针对定向井、侧钻井井眼轨道的常见类型给出了不同的优化数学模型，分析了计算过程，并给出了应用实例。
The authors deal with the working and imaging principles and technical specifications of the 3D directional borehole radar in details and, combined with field data, show its true application results.
笔者对3D定向钻孔雷达系统的工作和成像原理、技术规格进行了详细说明，并结合现场数据说明了其实际应用效果。
This paper briefs the long borehole directional drilling technology, selection of typical equipment, process, measuring system and application in coalmines.
本文介绍深孔定向钻进技术的原理、典型的设备选择、工艺、测量系统以及该技术在煤矿工程中的应用。
The development and application of this device provided a necessary mean for the slim hole track measurement and directional window cutting.
它的开发、应用成功，为小井眼、短半径井的井眼轨迹测量、斜向器定向开窗作业提供了必备的测量手段。
This paper gives a brief introduction to the cardinal principle of horizontal directional drilling technique and its application in the construction of sewer net.
本文介绍了水平定向钻进技术的基本原理及在污水管网建设中的应用。
The application of horizontal directional drilling technology in municipal pipeline is introduced.
介绍了水平定向钻进技术在市政管线上的应用。
This article introduced the basic principles, the implementing points and the application effect of superimposing directional correction of inclination for deep exploration in Daye Iron Mine.
通过大冶铁矿深部勘探实践，介绍了叠加定向纠斜法的基本原理、实施要点、使用效果。
The broad application of directional drilling has brought some difficulty to the net pay thickness determination for single well during the reserve calculation with volumetric method.
定向井技术的广泛应用，给容积法储量计算时单井有效厚度的确定带来一定的困难。
This thesis introduces the construction character of directional throttle proportional valve and the application of this valve to large-scale plastic Jetting-moulding machine.
通过对电液比例方向节流阀控制大型注塑机的注塑成形过程分析，介绍了比例方向节流阀的结构特点和在大型注塑机中的应用。
The field application of improved technique showed that the PCP lifting technique is effective in shallow directional wells.
现场应用表明，浅层定向井的螺杆泵举升工艺是可行的。
This proves the correctness of the models and provides a theoretical basis for the design, calculation and application of 3d five-directional fabric structure.
证实了所建模型的正确性，为三维五向织物结构的设计、计算和应用提供了理论基础。
The application of large non-grid-connected wind power is multi-directional development way to explore a way of wind power.
文中介绍了大规模非并网风电直接应用的原创性思路，即大规模风电不并入电网，直接应用于一系列能适应风电特性的终端用户。
The application of large non-grid-connected wind power is multi-directional development way to explore a way of wind power.
文中介绍了大规模非并网风电直接应用的原创性思路，即大规模风电不并入电网，直接应用于一系列能适应风电特性的终端用户。
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