1.
Design and Application of Multifunctional Drill Stems Pneumatic Clip for Oil Drilling Rig
石油钻机多功能钻杆气动卡瓦的设计及应用
2.
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
3.
The tooth marks depths′s finite element analysis of power slip in deep well drilling
深井钻井中动力卡瓦对钻杆造成的牙痕深度的有限元分析
4.
air lift rod transfer elevator
气动抽油杆运移吊卡
5.
Application of T200 Truck-mounted Multi-purpose Drilling Rig in CBM Parameter Well Drilling
T200车载多功能钻机在煤层气参数井钻进中的应用
6.
Realization of drill's boring by jog, adaptive ability and automatic anti-sticking function
钻机轻推开孔、自适应能力和自动防卡转功能的实现
7.
multi-functional slitting machine for corrugated paperboard
多功能瓦楞纸板切槽机
8.
Perhaps we could mention multi-use IC cards,
比如说多功能智能卡
9.
Research on the Motion Control Card for the NC Multiple Function Machine Tools
数控多功能复合机床运动控制卡的研究
10.
great lengths of drill pipe which are rotated by an engine at the top,
钻杆顶部安装的发动机带动钻杆旋转，
11.
Present Situation and Development of Pneumatic Anchor Drilling Machine
气动式锚杆钻机的应用现状及发展趋势
12.
Application of Triangular Drilling Rod to Gas Drainage Borehole Drilling in Medium Soft Seam
三棱钻杆在中软煤层顺层瓦斯抽排钻孔的应用
13.
Smart Power Drilling Technology on Drilling Power and Signal Transmission Drillpipe
基于动力及信号传输钻杆平台的智能化动力钻井技术
14.
Drill Pipe Tong Performance Analysis and the Research of Moment of Torsion Monitors and Contorls System;
钻杆动力钳性能分析与扭矩监控系统的研究
15.
CLAMPING FORCE ANALYSIS FOR ON/OFF SLIP OF CONTINUOUS-CIRCULATION SYSTEM
钻井连续循环系统上卸扣卡瓦卡紧力分析
16.
a versatile drill, truck, etc
万用钻、 多用途卡车.
17.
The Research on the Multi-functional Full-hydraulic Top Drive Drilling System
多功能全液压智能化钻机顶驱系统研究
18.
Multiple Functions Card of CPCI Bus Based on FPGA and WDM Driver Design & Implementation
基于FPGA开发的CPCI总线多功能卡及WDM驱动程序设计与实现