lighting and signal system
举一反三
- 9. The reserve source of energy shall be independent of the propelling power of the ship and the ship ' s_. A: electrical sytem B: energy system C: power system D: lighting system
- AFS(Adaptive Front Lighting System)前照灯系统的一般功用有()
- a fixed signal that lets engineers know if a train can enter a block. A: ABS (automatic block system) B: lock C: lock signal
- The signal transmission portion of the analog video surveillance system is responsible for the upstream transmission of the video signal and the downstream transmission of the control signal. ( ) A: 正确 B: 错误
- The diode used in lighting system and display is ( ). A: zener diode B: rectifier diode C: schottky diode D: LED