叙述了地电观测系统、外线路的维护、仪器故障的判断与排除，以及辅助设备的维护与保养，以此来提高观测资料的质量。
It is introduced the geoelectric system, safeguard of its circuit system, trouble clearing and AIDS protection and in order to improve the observation data.
根据电工培训的实践经验，分析三相异步电动机电气控制线路接线易出现的故障及原因，给出故障排除的方法，并归纳出有针对性和启发性的教学训练方法。
The remove of the control circuit failures of the three-phase asynchronous electric motor is the major and difficult aspect in the training and examination for electrical students.
高压输电线路发生故障时，及时准确地测量出故障位置有利于快速排除故障、恢复供电，对电力系统安全可靠运行有重要意义。
When faults occur in the transmission line, locating the fault accurately and timely is propitious to eliminate the fault and restore power supply.
应用推荐