At last, vacuum circuit breaker switching capacitance group overvoltage formative causes and electrode refining for lessening reignition are discuss.
最后简要分析了真空断路器开断电容器组过电压的形成原因及为减少重燃的电极老炼措施。
2
The basic control functions of RH vacuum installation for bloom CCM in PANGANG Iron & Steel Group Co. are presented, emphasizing the vacuum pump control system.
介绍攀钢方坯RH精炼装置真空系统基本控制功能，侧重介绍真空泵系统的功能和其相关系统控制。
3
The result shows that the edged sampling mirror and the edged vacuum window can be treated as a pair of prisms, which generates negative group velocity dispersion.