hole bottom的例句大全

A Summary of Hawk Eye ⅱ Bottom Hole View System

鹰眼Ⅱ井下视像系统简介

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The abrasive particles move faster toward the center in the case of larger ultrasonic amplitude or bigger abrasive particles, resulting in concave bottom shape of micro hole.

振幅越大或者磨粒粒径越大，磨粒向中心聚集的速度越快，导致微孔底面出现凹陷状。

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Numerical simulation on flow field of confined water jet at bottom hole

井底受限射流流场的数值模拟

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The results show that the blasting effect is excellent and the cost of secondary blasting is greatly reduced when using hole-bottom priming.

试验结果表明：实施孔底起爆，爆破效果良好，降低了二次破碎成本，具有推广价值。

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The nozzle equipment is at the bottom of the valve seat; the valve spool has a balancing hole; the valve spool bush has an orifice.

喷嘴装置在阀座下端，阀芯设置有平衡孔，阀芯套开设有节流孔。

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The compound support consisting of side and bottom bolting and bottom-hole destress blasting in the rise side floor of roadway can efficiently control the floor heaves of roadway so as to stabilize its surrounding rock.

采用帮底锚杆并在巷道上帮底角孔底爆破卸压的复合支护，可以有效地控制巷道的底鼓，达到巷道围岩的稳定。

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The basic assumptions, equations and boundary conditions for bottom hole assembly ( BHA ) analysis were discussed.

讨论了下部钻具组合分析的基本假设 、 基本方程和相应的边界条件.

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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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The new bottom hole control valve design.

新型井下采油控制阀设计.

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Improvement for the repairing technology about screw thread hole of bottom bracket of MDY& 150 type coal mining machine

MDY150型采煤机底托架螺纹孔修复工艺

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The motion and force of cone bit is extraordinary complex on bottom hole.

牙轮钻头在井底工作时的运动状态和受力情况是相当复杂的.

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A new type bottom hole assembly is provided for high angle deviated and hard formation.

为大倾角硬地层易斜区防斜打快提供了一种新型的钻具组合类型.

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Cleanout hole series can be set at the cornet from the bottom tank shell course to the bottom of the heavy oil storage tank for cleaning and draining during maintenance.

清扫孔装于重质油罐底部、清扫孔油罐可放出污水扫除内污泥。

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In the case of a bottom-hole sample it is necessary to raise the temperature and pressure of the field sample to reservoir conditions.

如果是井底取样，有必要将样本的温、压恢复到油藏条件。

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When the hand wheel rotation, through the stem-driven plunger in the middle from KER to bottom hole reciprocating movement to complete the valves open and close function.

当手轮旋转，通过阀杆带动柱塞在孔架中间上下往复运动来完成阀门的开启与关闭功能。

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Then it researched the application and realize of Object-Oriented computer technique of simulation and scientific calculation visualization to analyze the stress and strain of Bottom Hole Assemblies.

然后重点研究和介绍了面向对象的计算机仿真技术及科学计算可视化技术在井底钻具组合受力与变形分析中的应用与实现。

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Testing results indicate that the threshold pressure of jet aided drilling is 4.1 times of rock tensile strength and 26% of rock compressive resistance, also related with the bottom hole pressure difference and rock physical properties.

实验结果表明，射流辅助钻井的门限压力是岩石抗拉强度的4.1倍，是抗压强度的26%；还与井底压差及其它岩石物理力学性质有关。

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According to this problem, this paper proposes a modified isochronal well test with bottom hole liquid loading.

针对这个问题，提出了一种存在井底积液时的修正等时试井资料解释方法。

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Interpretation of modified isochronal well test data with bottom hole liquid loading

存在井底积液的修正等时试井资料解释方法

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The test and application of hole-bottom priming method in sublevel caving mining

孔底起爆法在无底柱分段崩落法中的试验与应用

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