The deep hole drilling provides the reliable data for the deep ore-prospecting.
深孔钻进的实现，为深部地质找矿提供可靠资料。
Medical equipment-artificial hollow bones, high precision parts deep hole drilling.
医疗器材—人造骨中空孔、精密零件深孔加工。
Strain gage hole drilling method is one of the most popular residual stress measurement methods.
应变片钻孔法是工程中应用最广的残余应力测量方法之一。
Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.
通过与常规煤层气试验井对比，分析了煤层气小井眼钻井的经济效益。
The practice of pure hole drilling parameters, the main characteristics and grinding were introduced.
介绍精扩孔钻的实践参数、特点及刃磨要领。
Directional engineering hole drilling technology is a new technology in drilling engineering projects.
工程孔定向钻进技术是钻探工程的一项新技术。
Status of domestic hole drilling and well building in mines where leaching technology is used is introduced.
介绍了国内在地浸采矿中钻孔施工工艺及成井技术，详细论述了成井过程、工艺参数及洗孔方法。
The compound material of resin matrix may produce serious smirch phenomenon during the minute hole drilling.
以树脂为基体的复合材料在微孔加工中会产生严重污斑现象。
The utility model belongs to a hole drilling device, specifically, a sub-immersed liquid hole drilling device.
本实用新型属于一种钻孔装置，具体涉及一种地浸注液钻孔孔口装置。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology.
小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。
The microstructure on the hole surface of CFRP is a very important characteristic of the quality of hole drilling.
碳纤维复合材料的孔壁表面微观形态是孔加工质量的重要特征之一。
This paper introduced the slim hole drilling designation and operation in shallow gas bearing reservoirs of Chuanxi area.
介绍了川西地区浅层天然气小眼井钻井设计与施工情况。
The article describes how DF concept is used in the design of pressure feeders in small-diameter deep-hole drilling process.
介绍如何应用DF 系统原理设计小直径深孔加工中吸压送水器的问题。
The state of circulating fluid flow in snail-hole drilling is a problem debated and attracting attention in the drilling field.
小口径钻进液循环的流态一直是钻探界十分关注的问题。
It is the key problems faced by the petroleum industry how to improve the strength and wear resistance of down-hole drilling tools.
特别是如何进一步提高井下钻具的强度、耐磨性等是当前石油天然气工业所面临的一些关键技术问题。
The scope of the residual stresses determined by the hole drilling method should not exceed one half of the material's yield strength.
钻孔法测量残余应力的范围是应力不超过材料屈服极限的一半。
To economically and efficiently develop the gas field, Wells were drilled using underbalanced drilling and slim-hole drilling technology.
根据高效低成本开发苏里格气田的要求，进行了欠平衡及小井眼钻井，为低成本开发苏里格气田做前期技术准备。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
Strong plus pressure, strong elevation force, large output torque and strong drilling capacity can satisfy the demand for deep hole drilling.
加压力大、提拔力大、输出扭矩大，钻探能力强，能满足深孔钻探的需要。
It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.
分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。
This paper describes the theory, features and testing results of the air reverse circulation drilling process used in geo physical blast hole drilling.
概述了空气反循环钻进工艺应用于物探爆破孔施工的原理、特点及其试验应用情况。
On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.
在此基础上，针对一种具体的钻井工艺完成了海洋修井机用于开窗侧钻作业的配套方案研究，为海洋小井眼开窗侧钻作业提供了一种新的途径。
The experience of pile hole drilling using pneumatic hammer in bridge construction is reviewed. Equipments, tools and techniques are also described in detail.
文中回顾了在建桥工程中，应用风动潜孔锤钻进桥桩桩孔的经验，具体介绍了使用的设备、工具及施工工艺技术。
The entering-rock problem of pouring pile through large-diameter hole drilling is always the biggest difficult problem in the fundamental construction of Guangxi.
大口径钻孔灌注桩的入岩问题，历来是广西基础施工中的一大难题。
This paper reveals the main technical difficulties of the micro-hole drilling and discusses in detail the study status of the recent micro-hole drilling technology.
文中揭示了微小孔钻削加工的主要技术难点，详细探讨了近年来微小孔钻削工艺的研究现状。
The structural design of a high sensitive micro hole drilling dynamometer and the working principle of the micro hole drilling force measuring system are introduced.
介绍了高灵敏度的微小孔钻削测力仪的结构设计及微小孔钻削力测量系统的工作原理。
YNF30 jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持式内燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸式内燃凿岩机。
YNF30 jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持式内燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸式内燃凿岩机。
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