Application of load sensitive technology to mine roadway hydraulic driving head drilling rig;
负载敏感技术在全液压动力头式坑道钻机上的应用
Discussion and practice of well electricity system of foreign drilling rig;
对国外钻机井电系统标准的探讨与实践
Designing of the compound chain box used in the drilling rig;
钻机整体式链条并车箱的设计
The design principle of ideal rig and modern design theory;
理想钻机的设计思想与现代设计理念
Analyses of model seletion for 5 000 m rig;
5000m钻机选型分析
The design of turbo-pressure and circulation seafloor sampling drilling machine;
涡轮加压和循环式海底取样钻机设计
Horizontal direction drilling machine power head construction optimize analysis and test research;
水平定向钻机动力头结构优化分析与试验研究
Study on leveling control algorithm for drilling machine platforms in submarine
海底钻机平台调平控制算法研究
Multi-Sensor Data Fusion-Based Drilling in Advanced Geological Exploration;
基于多源数据融合的钻机超前地质探测系统
The Database Used in the Expert Systems of Drill Design Research;
地质钻机设计专家系统中钻机数据库的研究与开发
The improvement of KY—150 type rotary drill travel unit;
KY-150型牙轮钻机行走部改造
Development and application of mode ZJ40/2250JD drill rig;
ZJ40JD/2250JD钻机的研制与应用
Development of mode ZJ40/2250LDB drill rig by mechanical-electric compound drive;
ZJ40/2250LDB型机电复合驱动石油钻机设计
Research on Load Self-adaptive Hydraulic Control System of Drill Rig;
钻机负载自适应液压控制系统的研究
In the construction of the bored piles for the piers,the single-rope percussion boring machine,the YCJF-25 percussion and reverse circulation boring machine,the GF-300 rotary boring machine and the ZSD-300a all-hydraulic unit head boring machine are selected.
新建武汉至宜昌铁路工程蔡家湾汉江特大桥167号、168号墩存在入岩较深、岩石强度较高、出现岩溶等特点,施工中选择单绳冲击钻机、YCJF-25型冲击反循环钻机、GF-300型回旋钻机和ZSD-300a型全液压动力头钻机。
In this paper, the application of drilling technology with raise-boring machine to the inlet well construction of power station was introduced, in which the boring machine and drilling techniques were improved.
本文介绍了采用反井钻井技术钻凿抽水蓄能电站引水竖井的施工方法,并针对钻凿极硬岩石钻机能力不足的问题,对钻机和钻井工艺进行了相应的改进,取得了显著的成效。
In this paper,the principal technical performance of KTY3000A unit head boring machine, calculation method for boring parameters, construction technology and examples of applications of the boring machine to the construction of large diameter piles are presented.
介绍了KTY3000A型动力头钻机主要技术性能和在大直径桩孔施工中钻进参数的计算方法、施工工艺及应用实例。
high-thrust drill
强力钻机，高推力钻机
churn-type percussion drill
无游梁绳式顿钻钻机
mixed oil drilling rig
复合式石油钻井钻机
This drill can bore through rock.
这台钻机能钻透岩石.
Raise-boring machines
GB/T12761-1991天井钻机
drilling machine, mining or quarrying, not self-propelled
开矿或采石用钻机,非自动钻机
SHALLOW HORIZONTAL DRILLING TECHNOLOGY BY USING VERTICAL-WELL RIG IN HENAN OILFIELD
河南油田直井钻机钻浅层水平井钻井技术
diesel electric driving rig
柴油机发电驱动钻机
gas electric rig
天然气发电机 钻机
engine mud sill
钻机动力机下纵向底梁
drilling-in unit
洗井和钻油层用的小钻机
The men dug the oil well by Boring through the ground with huge drills
工人使用巨大钻机钻透地层挖掘油井。
The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;
GCF-1500冲击钻机钻塔强度与模态分析
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究
The Dynamic Analysis on Drilling System of ZY-200 Type Rotary Drilling Rig;
ZY-200型旋挖钻机钻挖系统动力学分析
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
kelly for well-drilling machiens
旋转钻孔,钻井机用
The sorker was drilling.
此工人在用钻孔机钻孔。