基础工程钻机性能的好坏，很大程度取决于动力头的质量。
The operation performance of driller, used for basement construction, is dependent on the quality of power unit in a considerable degree.
分析了工程钻机在施工过程中轴承游动间隙对钻机的影响。
The effect of the bearing travel clearance on the drill in the operations is analyzed.
本地质工程钻机车采用双动力驱动，汽车动力与钻机专用装置动力分离工作。
This geological engineering gadding car uses dual power drive, the power of the vehicle and the power for the special device of the drill work separately.
90年代以来，国内研究制造的大扭矩转盘式工程钻机基本上都采用液压传动方式驱动转盘和卷扬（或提升）系统。
Most rotating chassis and winch (or hoist) systems of domestic drill rigs are driven by hydraulic transmission in the 90's.
0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机，可适应软、硬岩石等不同地层钻进的要求。
GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.
GCF -2 0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机，可适应软、硬岩石等不同地层钻进的要求。
GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.
通过采用KTY4000型钻机和KPG3000A两种机型工程钻机成孔，排渣方式为气举反循环，以解决糊钻、PHP泥浆应用、钻机选型等问题。
The spread drill, application of PHP mud and choice of machine are solved by adopting two machines of KTY4000 and KPG3000A. Besides, the airlift reversing circulation is selected in slag discharge.
整个工程原本预计要耗时4个月，但是由于澳大利亚制造的液压挖掘机和钻机十分先进，1个多月就完成了任务。
The whole project is expected to take 4 months, but due to the Australian manufacturing hydraulic excavator and the rig is very advanced, more than 1 months to finish the task.
结合工程实例，论证了旋挖钻机的特点及在特殊地层的施工缺陷。
Combined with engineering example the characteristics of auger drill and construction defects for special strata are discussed.
海外项目钻机遣散和动员是一项复杂的系统工程，涉及的部门、人员和资料多，组织协调难度大。
Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination.
工程大钻机，卡车，汽车房屋，甚至摩托车。
能广泛服务于矿用使用电动、气动、液压锚杆钻机产品的矿山、铁道隧道、冶金工程等行业。
Can be widely used in mining the use of electric, pneumatic, hydraulic bolt drilling products mines, railway tunnels, metallurgical engineering and other industries.
运用价值工程理论对T685 WS钻机在矿山抢险救灾和生产中的应用进行分析，并与普通钻机进行价值比较，有利于对T685 WS钻机的功能和应用进行初步定位。
The application of T685WS drilling machine to mine insurance relief and production is analysis by means of value engineering, and the value comparison with common drilling machine is carried out.
钻机是基础工程施工中的一种十分重要的钻孔设备。
The anchor rig is a very important drilling equipment in basic engineering construction.
地平线公司在地震方案提供精确定位服务，移动钻机，建设和疏浚工程。
Horizon provides precise positioning services during seismic programmes, rig moves, construction and dredging projects.
简述了反井钻机的工作特点及其在吉沙水电站工程的应用，给出了施工程序及质量保证措施。
The working traits of raising drilling rig and its application in Jisha Power Station are depicted briefly. Construction procedure and measures for quality guarantee are offered.
工程勘察钻机和砂矿钻机之间具有许多共同之处。
Site investigation drill and placer exploration drill have much in common.
通过分析长螺旋钻机在切削各类土质时，钻具的角速度与土块运动机理关系，提出确定钻具临界的方法，而工程施工中钻杆的实际转速应大于临界转速，以提高钻机的工作效率。
An analysis related to various kinds of soil cutting by earth auger, this paper puts forward that running speed of frill should be faster than critical speed so as to increase the efficiency of drill.
因此，本文根据积木原理，设计了一种积木式的组合钻机，通过更换不同的部件和装置以适应工程勘察和砂矿钻探的多种用途。
But each of the drills has different applications and features on the basis of modular design, a combination-type drill which suits a multipurpose of site investigation an…
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
本钻机适用于固体矿床的普查勘探及工程地质勘察等钻孔以及各种混凝土结构检查孔。
This drill the census that machine be applicable to solid mineral bed explores and work. The distance geology investigates etc, drills a hole and every kind of concrete construction Check bore.
通过经济技术比选，采用水平定向钻机进行铺管作业，取得了较好的社会效益和经济效益，在工程实践中极具推广价值。
Through economic and technical comparison, it can obtain good social and economic benefits. And extremely has promoting value in p...
通过经济技术比选，采用水平定向钻机进行铺管作业，取得了较好的社会效益和经济效益，在工程实践中极具推广价值。
Through economic and technical comparison, it can obtain good social and economic benefits. And extremely has promoting value in p...
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