1.
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
2.
Application of VFD and SCR Compound Driven on 5000m Rig
5000m交直流复合电驱动钻机应用
3.
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
4.
Harmonic influence and resolvents on DC electric drive system of oil drilling rig
石油钻机直流电驱动系统的谐波影响及其解决方案
5.
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
6.
diesel electric driving rig
柴油机发电驱动钻机
7.
a hammer driven by electric motor.
用电发动机驱动的钻。
8.
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
9.
generating set, driven by compression-ignition engines, direct current
压燃式发动机驱动直流发电机组
10.
The rotary gear reducer is driven by a DC motor through a gearbox to pro-vide bi-directional drill bit rotation.
转动齿轮减速器是由一个直流电机驱动的，通过一个齿轮箱为钻头提供双向转动能力。
11.
generating set, gasoline engine driven, direct current
汽油机驱动直流发电机组
12.
generating set, driven by internal combustion piston engines, direct current
活塞式内燃机驱动直流发电机组
13.
generating set, diesel engine driven, direct current
柴油机驱动直流发电机组
14.
generating set, driven by semi-diesel engines, direct current
半柴油机驱动直流发电机组
15.
Research on Control System for Brushless DC Motor Drive;
无刷直流电动机驱动控制系统的研究
16.
Driveing Circuit of a PM Brushless DC Motor;
一种永磁无刷直流电动机的驱动线路
17.
Dynamic characteristics analysis of the brushless DC motor direct drive system
无刷直流电动机直接驱动系统动态特性分析
18.
Research on High Efficiency DC Driving Technology for Electric Locomotive of Coal Mine;
矿用电机车高效直流驱动技术的研究