石油钻机电控装置
electric control system of drilling rig
步进电动机的应用
The Application of Stepping Motor
井下发电机叶轮
underground generator impeller
发电的应用
electric power generation application
石油钻机电控系统
AC E-drive system of oil drilling
电测井模拟
numerical simulation of electrical log
电子式互感器的应用
Application of Electronic Transformer
电-至-电装置的连接
electrical-to-electrical connection
电子式电能表的应用
Application of electronic energy meter
电测井技术
electric well logging technique
燃料电池的应用前景
Potential of Fuel Cell Application
变电站应用
application in substation
Application in Substations
电测井设备
electric logging equipment