Operation test of emergency switching-offdevice for oil pump and ventilator (bilge pump) in engine room.
机舱风、油（舱底泵）应急切断装置操作试验。
2
If automatic switching is selected from the menu, the device starts insufflating in low-flow mode, then switches to the high-flow position once blow-off pressure is reached.
选择自动切换初设时，设备启动时是以低流注气模式进行。一旦达到放气后的低压时，将自动切换高流选项。
3
Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.