Which of the following operations does not result in a reduction in oil pressure in a hydraulic actuator ( ).
A、Start oil pump
B、The circuit breaker closing
C、The breaker points brake
D、Hydraulic gear oil
Electrical Equipment and Operation（电气设备及运行）
章节列表
Chapter 1 Cognition of Power Plants and Stations10Chapter 2 Switching Equipment and Operation57Chapter 3 Transformer and Operation38Chapter 4 Current-limiting Electrical Appliances and Operation9Chapter 5 Reactive Power Compensation Equipment and Its Operation10chapter 6 Busbar, Cable, Insulator and Operation10Chapter 7 Basic Operation of Electrical Primary System22Chapter 8 Power Distribution Device and Operation33