Electric arc discharge of the tips installed in BSP source produces intense ultraviolet ray emission with a spectrum continuously extended to the range of visible light.
针式火花预电离源利用热电弧发出强烈的紫外光，其发射光谱范围从可见光连续延伸到紫外。
EFI's Goodearl says that unlike the conventional wide-spectrum arc and mercury vapor lamps typically used in UV-cure systems, LED lamps produce a much narrower spectrum of light.
EFI的Goodearl说到，和U V固化系统中传统的光谱弧形灯和汞蒸气灯不一样，LED灯发出的光谱更窄。
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