The drill has variable speed control.
这钻机有变速控制。
The Ethiopians do not control the Ogaden and we have warned the Chinese that we will not allow them to drill there.
埃塞俄比亚人并不控制欧加登，而且我们已经警告过中国人，我们不会允许他们在那里钻探。
This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe.
这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。
Dojo charting provides methods to control zooming to drill down to the smallest details of your chart, including scrolling and panning (moving the chart with your mouse in two dimensions).
dojo制图提供了一些方法来控制缩放，以向下钻取到您的图表的最小细节，包括滚动和平移(使用您的鼠标在两个维度上移动图表)。
Its environmentally protected control room with touch screen displays and joystick controllers integrate with a fully automated drill floor to keep your crew out of harm's way.
其环保型控制室内配有触摸屏显示器和操纵杆控制器，集成全自动钻台，为您的工作人员消除一切安全隐患。
This pressure must be under control, and we control it by means of the mud which wecirculate down the drill pipe.
这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。 。
Drills (kick drills) according to kick control procedures as required will be performed with the drill string inside the casing shoe.
根据情况，钻具处在套管鞋时，遵照井涌控制程序，搞一次演习。
It is difficult to control the hole and the slope during frozen drill in profundity surface soil, this text bring forward some experience of management and construction.
针对深厚表土层中冻结钻孔存在的钻孔深、偏斜率难控制等施工存在的问题，提出了一些施工与管理的经验。
The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole.
井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具，安装在钻头与钻铤之间。
Manual weeding weeding time. About 7 to 10 days after sowing, seedling emergence, seedling emergence and attention should be paid to control weeds, drill can be inter row weeds.
除草及时进行人工除草。播后约7 ~10天出苗，出苗前后应注意防治杂草，条播者可进行行间中耕除草。
The control that accidents and fractures of crack nucleation, propagation and washout in drill pipes are importance steps to keep drill pipes safe run.
钻柱裂纹成核、扩展、刺漏等事故及断裂的控制是确保钻杆在钻井中运行安全的重要措施。
The article introduces the electrical control of Z3040 radial drill with PLC and explains the hardware and software design of the system.
文章介绍了用PLC对Z 3040摇臂钻床实行电气控制的方法，并对该系统的硬件组成和软件设计作了阐述。
It also presents the control strategy and deducing machine of drill machine's scheme design expert system.
通过研究钻机方案设计过程，首次提出了钻机方案设计专家系统的控制策略和推理机制。
To design and control the virtual axis drill point grinding machine, mathematical representation to describe the drill point configuration is badly needed.
要设计和控制虚轴钻尖刃磨机，首先要建立描述钻头的数学模型。
The fundamental principle hardware configuration and software design of a microcomputerbased automatic control system for winch type impact drill rig is described.
本文介绍了卷扬式冲击钻机微机自动控制系统的基本原理、硬件的组成和软件的设计。
This paper is to study mechanical processing Z3040 radial drill in common use in the traditional electric control system transformation problem.
本论文是研究机械加工中常用的Z3040摇臂钻床传统电气控制系统的改造问题。
Finally, the paper introduced effective control methods of common drill string vibration and deviation problem.
最后对常见的钻柱振动和井斜问题介绍了有效的控制方法。
For improving the quality of hot drawn hollow steel drill, the total quality control must be adopted though the whole process (from steelmaking to finished product).
文章指出，为了提高热拔中空钢的质量，必须从冶炼开始对全部工序进行质量控制。
Temporarily tape a template to the control panel and use a center punch to mark the drill holes and insure that their location does not wander during drilling.
暂时磁带模板，控制面板，并使用中心的力度，以标志孔和保证他们的位置不徜徉在钻井过程。
This paper introduces the realization method of the PLC intelligent control system for the rail-machining with milling and drill machine .
本文介绍了轻轨精整铣钻床PLC控制系统的实现方法。
And we control it by means of the mud which we circulate down the drill pipe.
我们采用的控制方法是让泥浆顺着钻杆向下循环。
This paper systematically introduces the composition and principle of a self-design and manufactured miniature nc drill machine's control system used for processing printing circuit board.
本文系统地介绍了自行设计与制造的加工印刷电路板微型数控钻床控制系统的组成及原理，并对各部分功能进行了分析。
The quantitative calculation of the forces between drill bit and formation is vital for drilling trajectory control.
定量计算钻头与地层之间的作用力对井眼轨迹控制具有重要意义。
The measures to control construction quality are analyzed, which are used to drill deep holes with normal circulation slewing drilling machine.
分析了正循环回转钻深孔施工的施工方法和要点，提出了施工监理的监理质量控制点及注意事项。
The system makes up of shortcomings that traditional drill pipe heat treatment control system can only show timely temperature and temperature changes can not be preserved.
该系统弥补了传统的钻杆热处理控制系统只能显示实时温度，无法保存温度变化过程的缺点。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
为了实现依据钻柱动力学的井眼轨迹控制，应特别重视钻柱振动特性与钻头受力状况的相互影响。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
为了实现依据钻柱动力学的井眼轨迹控制，应特别重视钻柱振动特性与钻头受力状况的相互影响。
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