26 watt LED light brightness to top 200 watt incandescent lamp
Date:2011-11-16 15:50
o many places, especially the summer Mall, which does not produce too much heat and save electricity.
In the examination room, there is a light metal base, half the bulbs by metal package and the other half is a milky shade.
Liu Changxin said: this is the led energy-saving lamps, is the most advanced light source. When electric current through a wire on the chip when electron will be issued in the form of Photonic energy, this is the principle of LED light. In theory, efficiency of LE
4/16 Next Pre Home page Last page
Back
Refresh
WAP Home
Web version
Login
06/25 23:39