lamp filament造句怎么写

Two years ago, summer jobs on Long Island were going in the last four months, the bottom has fallen out of the job market, officials say.

Long Island Star Journal

The products mainly consist of LED solar energy lamp series, lamp bulb series, LED surface plate lamp series, spotlight series, ceiling lamp series, lamp filament series, etc.

Analysis of SEM-EDS of incandescent lamp filament debris

Due to its high melting point, pure molybdenum is used as lamp filament supports and electrodes for mercury vapor lamps.