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简介:Tungsten halogen lamps (halogen lamp) is a gas incandescent lamp filled with a gas containing halogen or halide part. In ordinary incandescent lamps, filament caused by high temperature of tungsten evaporation, the evaporation of tungsten precipitation in the glass, lighting glass bulb blackening phenomenon. In 1959, the invention of the tungsten halogen lamp, the elimination of the phenomenon of black using the principle of tungsten halogen cycle.
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