drill bit

The Design and Make of a Small Drill Bit

小钻头设计与制造的改进

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Laser Welding Technology and Equipment of Diamond Core Drill Bit

薄壁金刚石工程钻头激光焊接技术及装备

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A drill bit used for obtaining core samples in concrete or rock formations.

钻头被用来在水泥或岩层获取岩芯样品.

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Review on drill bit selection methods

钻头选型方法综述

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Current status in the development of drill bit grease

钻头润滑脂的发展现状

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Uses the special die head , may the diamond drill bit agglutination on the lining.

采用特殊模头, 可以将水钻粘合在面料上.

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Treatment Technique of Drilling Fluid for the Use of PDC Drill Bit

使用PDC钻头钻井液处理技术

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This sharpener is applicable to sharpening of such cutting tools as mill cutter, reamer, and drill bit, etc.

本磨刀器适用于立铣刀、铰刀 、 钻头等多中刀具的磨削,结构简单 、 操作方便、经久耐用.

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Parameter Measurement and Transmission of the Drill Bit for Horizontal Directional Drilling

水平定向钻进钻头信息的测量与传输

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Research on a mathematical model of deep-well drilling process control based on wearing function of drill bit

基于钻头磨损函数的深井钻进过程控制数学模型的研究

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Get the special drill bit to bore the correct-size hole for the job.

做这个活儿要拿个特殊的钻头来钻个大小合适的孔。

《柯林斯高阶英汉双解学习词典》

The small drill bit is easy to show sign of wear and tear in mechanical manufacture.

在机械制造中，小钻头容易破损。

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Elastic graphite die design about hot pressing thin wall diamond drill bit

薄壁金刚石钻头热压弹性石墨模具设计

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Research of Structure and Performance of Diamond Core Drill Bit Superfine Base Powder Segments

超细基粉金刚石薄壁套筒钻胎体的组织性能研究

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Technique and Performance of Laser Welding Diamond Core Drill Bit

激光焊接金刚石薄壁钻工艺与性能

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In this paper, trial-manufacture and application of sandwich structure on diamond drill bit were studied.

采用 冷压 成型夹层和加灰(过渡层)热压烧结法制备了一种夹层结构金刚石钻头.

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In pace with the perfection of performance and model number of bottom-hole power drill tool, moreover concentrated PDC bit fitting for different formation is growing vigorously, compound drilling technique can be large-scale applied and disseminated.

随着井下动力钻具性能、型号的完善，再加上适合各种地层的高效PDC钻头的蓬勃发展，复合钻井技术大规模推广应用的时代已经到来。

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Application effect of coal mining drill bit jetting mud from bottom

底喷采煤钻头的使用效果

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The Application of Expert System in Drill Bit Design and Use

专家系统在钻头设计及使用中的应用

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Analysis on the influence of alloying and heat treatment on drill bit materials

合金化及热处理对钻头材料影响之评析

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Study to Optimization Design for Hydraulic Parameters of PDC Drill Bit

PDC钻头水力参数优化设计研究

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The drill bit forces the actuating lever down and centres the guide plate.

钻头趋势驱动杠杆向下并且对中导向板.现在就可以拧紧螺栓.

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This revisits and old drill called 360 Dolphin Rotation that we posted a few years ago, but is now a bit more integrated into the sequence.

这个回顾了遗产税和旧钻称为旋转360海豚几年前公布的，但现在是多一点融入序列。

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Heat treatment experiment research of pneumatic percussive drill bit for geophysical explore

物探气动冲击钻头热处理工艺试验研究

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Laser Welding of Diamond Core Drill Bit of Superfine Powder Base Segments

激光焊接超细基胎体金刚石薄壁钻

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Lower Wearing of Drill Bit and Punching Die.

机械加工性优秀,对钻孔、冲模磨损小.

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A two foot-long drill bit tipped the end of a brontosaurus-like creature's long neck.

一枚两英尺长的钻头在一头 状 似雷龙的大家伙的长颈一端咬了一口.

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Carbide welded taper shank core drill cone type roller bearing rock bit

硬质合金焊接式锥柄扩孔钻滚柱轴承锥形牙轮钻头

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Study on bond and diamond of diamond core drill bit for reinforced concrete

钢筋混凝土金刚石薄壁钻头用结合剂及金刚石的研究

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A diagrammatic method for drilling characteristics of formation anisotropy and drill bit

钻头和地层各向异性钻井特性的一种表达方法

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