井下的例句大全

Protective control system for coal-mine band conveyor is comprised of ground monitoring center, control substations and explosion protected computers.

煤矿用带式输送机保护控制装置系统主要由地面监控中心、井下各控制分站和防爆计算机构成。

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Application of the DC technology in mine water prevention and cure

井下直流电法技术在焦作煤矿防治水方面的应用

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Gushing Law of Mine Water and Prevention and Cure Measures of Mine Water

中岭煤矿井下涌水规律及防治水措施

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The preliminary knowledge of the equipment configuration and adaptability of the header with bolting machine is obtained by means of the underground industrial experiment of excavation and bolting integration.

通过掘支锚一体化井下工业性试验，对掘锚机的设备配套及适应性有了初步的认识；

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Because of these characteristics, the pressure measurement system with capillary tubing can be used without depth limit and can measure the downhole pressure continuously without time limit.

由于这些特点，毛细管测压系统在使用时无深度限制，可以不受时间限制连续地测取井下压力。

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Presently, the study did for it just directly used the results of study buckling behaviors on drilling pipe, casing string, conventional oil tubing to deal with coiled tubing;

目前对它的研究只是将钻柱、套管柱和常规油管柱屈曲问题的研究结果直接用于连续油管，现场很多实例表明，这样做的偏差很大，连续油管因为残余应变而具有独特的井下屈曲行为。

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The author gives a detailed analysis about automatical collection for underground open channel flow and pipeline flow. Parshall flume and Manning formula are studied for open channel flow. 3.

对井下明渠流量自动采集与管道流量自动采集进行了详细的阐述，对于明渠流量自动采集主要研究了其中的巴歇尔槽和曼宁公式。

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A way to keep economic operation for chief draining pump in coal mine underground

煤矿井下主排水泵保持经济运行的途径

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This paper also carefully introduces a way and path to keep economic operation for chief draining pump in coal mine underground.

详细地阐述了保持煤矿井下大泵经济运行的途径和方法。

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Its downholc discharge apparatus are made up of rectification frequency converter, discharger and cable.

其井下放电设备主要是由整流变频器 、 电仪与电缆所组成.

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Old drying stove is re-equiped into far infrared heating drying stove for underground machinery repaired.

由旧式干燥炉改装成远红外加热干燥炉,用于井下机械维修,既提高了维修效率,又节约了电能,而且安全可.

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The GeoRes Imagine system is a high-resolution land and in-well seismic data acquisition system latest introduced by OYO Geospace Company.

GeoRes Imagine系统是OYO Geospace公司最新推出的高分辨地面和井下地震数据采集系统。

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This paper makes 3-phase Cylinder Linear Induction Motor ( Clim) worked as the Borehole Weight-drop Seismic Source in 3500m Borehole Seismic Exploration System.

文章将三相圆筒型直线感应电动机应用于3500m深井下探测用地震波发生源系统。

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Hazard Analysis of Capacitive Current in Coal Mine and Control Method

电网电容电流在煤矿井下的危害分析及控制方法

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The accurate reflection and description of the dynamic variations of the parameters in the cementing process is of great importance to the reasonable control of operating measures and the guarantee of cementing quality.

准确反映和描述注水泥过程中井下各种参数的动态变化，对合理控制施工措施，保证注水泥顶替质量是非常重要的。

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This is BHA [ bottom hole assembly ] log .

这是井下钻具组合的 记录本.

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Theoretical research of contact problem in TC bearing in down hole motor

井下动力钻具用TC轴承接触问题的理论研究

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Nowadays, the personnel positioning system in coal mine has entered debugging and running-in stage.

目前, 井下人员定位系统已经处于调试和试运行阶段,运行效果良好.

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Construction method for drilled caisson sinking subsidence in special geological stratification

浅谈特殊地质层沉井下沉的施工方法

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Design of the Downhole Pulsation Dampener in the Rod Well System of High Pumping Rate and Forced Fluid Withdrawal

大泵强采抽油系统井下脉动缓冲器的设计

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