1.
This new model of drilling machine can bore through solid rock ten metres deep.
这台新型钻机能钻透十米厚的坚固岩石。
2.
The Research of New Type Drilling Machine Based on Optimization Design of Reliability;
基于可靠性最优化的新型钻机的研究
3.
Status and. updating of Model Daqing-130 drilling rigs
大庆-130型钻机的现状及改造更新
4.
Properties Research on the Hydraulic Tools of the New Type of Water-saving Drilling Technology;
新型节水钻探技术水力机械特性研究
5.
Testing Research on Auger Drilling by New Type Crawler Hydraulic Drilling Rig
基于新型履带式全液压钻机的螺旋钻进试验研究
6.
Experimental Research on Working Performance of New Floating Ring Journal Bearings
新型牙轮钻头浮动套轴承工作机理试验研究
7.
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
8.
The Extend Function of Z3040 Radial Drilling Machine--the Drilling-Milling Body
Z3040型摇臂钻床扩展功能——钻铣机构
9.
Study on Mechanism for Spudcan during Preloading and Extracting of Offshore Jack-up Drilling Platform and Bearing Capacity of Improved Spudcan in Static and Cycling Loads
海上自升式钻井平台插/拔桩机理及新型桩靴静/动承载力研究
10.
Borehole sealing mechanism and a new technology for coal seam gas pressure test:a research
钻孔密封机理及新型煤层瓦斯压力测定技术研究
11.
The Finite Element Analysis on Support Frame Machine of NR22 Type Rotary Drilling Rig;
NR22型旋挖钻机钻挖支撑机构有限元分析
12.
Application of pneumatic clip for oil drilling rig
新型气动钻杆卡瓦在钻井生产中的应用
13.
Study on New Drilling Force Model of Vibration Drilling and Vibration Drilling with Invariable Parameter and Variable Parameter;
振动钻削新钻削力模型及定、变参数振动钻削的研究
14.
For connecting the different type of spindle of drill with the drill bits.
用于不同型号钻机的主轴与钻头的联接。
15.
Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices;
节水型回转冲击钻具结构设计与钻进机理研究
16.
Dynamic Analysis on Tunneling Support System of the ZY-220 Rotary Drilling Rig;
ZY-220型旋挖钻机钻挖支撑系统动力分析
17.
Study on Structure Optimization of the Derrick of JYD-1000 All-hydraulic Core Drilling Rig;
JYD-1000型全液压岩芯钻机钻塔结构优化研究
18.
Application of the XY-1 type core drilling machine to horizontal drilling
XY-1型岩芯钻机在水平钻孔施工中的应用