filament lamp造句

carbon filament lamp resistance (excl. carbon filament lamps for lighting)

filament lamp (other than flash bulbs, infrared and ultraviolet lamps and sealed-beam lamp units)

The post and Telecommunications Department issued a commemorative stamp with the original carbon filament lamp, which read "Edison's first lamp".

Third, instead of the traditional tungsten filament lamp and fluorescent lamp in all directions, realize the LED lighting revolution!

Although the carbon filament lamp only lit for a very short time, it brought hope for the success of the research on the electric lamp.

Safety requirements for tungsten filament lamps for domestics and similar general lighting purposes

open glass bulb[without fittings, for electric filament lamps and vapour discharge lamps]