1.
Simulation Analysis on ZJ70D Electric Drilling Machine Powered by Electric Network at SK1 Oil Well
SK1井ZJ70D电动钻机电网供电仿真分析
2.
Reactive power compensation and harmonic suppression of oil drilling rig
石油电动钻机的无功补偿及谐波治理
3.
The technical level and development trend of chinese AC VF drilling rigs
我国交流变频电动钻机的技术水平和发展趋势
4.
diesel electric driving rig
柴油机发电驱动钻机
5.
a hammer driven by electric motor.
用电发动机驱动的钻。
6.
hand-held non-electric power-operated boring tools
手提式非电动机动钻具
7.
foot engine with electric motor
牙科脚踏电动二用钻机
8.
a rotating drill powered by an electric motor.
用电发动机驱动的旋转的钻子。
9.
Production of electrical tools, such as electric drills impact, angle angle grinder, saw, electric drill and curves.
生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。
10.
Application of VFD and SCR Compound Driven on 5000m Rig
5000m交直流复合电驱动钻机应用
11.
Simulation of Electric Rig Hoisting System Driven by AC Variable-Frequency Motor
交流变频电驱动钻机起升系统的模拟
12.
Technology Status and Development Direction for DC Drilling Rig
我国直流电驱动钻机现状及发展方向
13.
Design of SCR D.C. Drive System Using Utility Net for Rig
钻机电网供电可控硅直流电驱动系统设计
14.
Research of AC electronic load based on electric drilling dril
基于电驱动钻机的交流电子负载的研究
15.
Research on Electro-hydraulic Proportional and Automatic Drilling System of JDD-100 City Geology Survey Drilling Rig
JDD-100型城市地质调查钻机电液比例自动钻进系统研究
16.
Design of Fluid Drive and Electrical Control System for Bore Modular Machine Tool
钻孔组合机床液压传动和电气控制系统的设计
17.
Performance Analyses and Researches on Drawworks of Electrically-Driven Drilling Rig;
石油钻机电动绞车特性分析及控制研究
18.
Research on Harmonic Suppression and Reactive Power Compension of Oil Drilling Rig Electrict Drive System
石油钻机电驱动系统谐波抑制和无功补偿研究