后备照明系统的英文

• secondary lighting

• 后备:    reserve
• 照明系统:    illuminator
• 电照明系统:    electric light system; electric lighting system
• 照明系统:    illumication system; illuminated system; illuminating system; illumination system; illuminator; light system; lighting kit; lighting systems; zmxt
• 照明系统图:    diagram of light system; lighting system diagram