It was well known that Thomas Edison()the electric lamp.
It was well known that Thomas Edison()the electric lamp.
Which of the following type of lamp is used for heating a fuser?()
It was well known that Thomas Edison()the electric lamp.
General, the best way for replacement of lamp is ().
Which of the following items can be used as a discharge lamp?()
I still remember the winter()we went to Harbin to see the ice-lamp.
General, the best way for replacement of lamp is ().
I still remember the winter()we went to Harbin to see the ice-lamp.
Which lamp is the brightest?
Lamp A is less brighter than Lamp B;
Lamp B is brighter than Lamp C;
Lamp C is as bright as Lamp D;
Lamp B is brighter than Lamp D;
Lamp D is brighter than Lamp A.