Station lighting, advertising lighting and escalators are all secondary loads.
举一反三
- Good lighting means（） A: low lighting so guests can relax. B: bright desk lighting so guests can work. C: bright lighting for the whole room.
- Which one is the worst to show an aerial perspective? A: Side Lighting B: Backlighting C: Top Lighting D: Front Lighting
- (Track lighting) is one of the most popular types, (if not) the most popular type, (of) lighting (on market) today. A: Track lighting B: if not C: of D: on market
- The beauty and health of artificial lighting equipment are more important than its lighting capabilities.
- Add additional lighting beyond overhead lighting to the room to soften the atmosphere and make（ ） meetings（ ）visually straining.