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heavyduty jobber length drill

中文翻译重型长钻头

同义词释义

    1)heavy-duty jobber length drill,重型长钻头2)the length of the bit,钻头长度3)long toothed bit,长齿钻头4)Micro-drill,微型钻头5)drill bit selection,钻头选型6)bit model,钻头型号

用法例句

    The Research on Measurement of Micro-drill Core Dimensions;

    微型钻头钻芯尺寸测量的研究

    Study on rock mechanics parameters and drill bit selections for Liuhua oilfield in South China Sea.;

    流花油田地层岩石力学参数评价及钻头选型技术

    Through the comparison and analyses of data collected from recently drilled well in Erdos Work Area, the bit model and drilling parameters of each well section and each district were optimized.

    通过对近年来鄂北工区所施工井的钻井资料进行分析、对比,优选出了适合于各区块、各井段的钻头型号和钻井参数,提高了机械钻速,缩短了钻井周期,使鄂北工区的钻井技术上了一个新的台阶,加速了鄂北气田的建设。

    The Length of the Bit Used in Dredging the Crooked Pipe-line;

    弯曲管道疏通中能通过的钻头长度的研究

    bit cutting angle

    钻冠的尖度,钻头磨角,钎子头刃角

    unit-type drill head

    组合钻床钻头, 标准钻头

    AN APPLICABLE METHOD FOR ESTIMATION OF FORMATION DRILLING STRENGTH AND BIT WEAR

    地层抗钻强度与钻头磨损实用评估方法

    Anti-bit balling for PDC bits of horizontal wells in Changqing gas field

    长庆气田水平井PDC钻头防泥包技术

    On how to Make Rational Use of Impregnated Diamond Core Bit: A Brief Introduction of a New Series of Drilling Bits Manufactured by the Longyear Co.

    如何用好孕镶金刚石取心钻头——长年公司新系列钻头简介

    Study dynamics simulation of single cutter of PDC working by Finite Element Method

    PDC钻头单齿工作角度有限元仿真研究

    An Analysis of the Process of Axial Vibration Drilling and Chip Length

    轴向振动钻削过程及其切屑长度分析

    Study on the Reliability of the Auger Bored Cast-with-pressure Concrete Pile

    长螺旋钻孔压灌混凝土桩可靠度研究

    Effects of Drillstring Length on Snake Buckling Loads

    斜直井内钻柱长度对蛇形屈曲的影响

    drill(ing) head

    钻头; 主轴头; 钻床床头箱; 钻削动力头;钻头头部, 钎头

    Means are provided for varying the spindle speed and (on some machines) for automatically feeding the drill into the workpiece.

    另有各种装备可改变转轴速度及使钻头自动钻入工作件中。

    The max. depth of drilling is about 50 times of drill tools dia and have to see material for drill specially size.

    本机种钻孔深度以钻头直径50倍为标准,特殊规格需视加工材质定.

    The study on influence of drilling parameters on surface temperature of diamond drill

    金刚石钻头钻削石材参数对其表面温度影响研究

    Selection of Bit Type Series for Middle-deep Wells in Eastern Changyuan Area,Daqing Oilfield

    大庆长垣东部地区中深井钻头系列的评选

    part of a drill that grips the bit

    夹头(钻或钻床上用以夹住钻头的部分).

    a small bit that drills a first hole to guide a larger drill.

    钻凿初洞来导引大钻头的一种小钻头。

    easing the bit in

    钻头轻压慢转钻进地层

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