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单词 metal halide lamp
释义 metal halide lamp
[`med·ǝl `ha´līd ´lamp]
ELECTRONICS
A discharge lamp in which metal halide salts are added to the contents of a discharge tube in which there is a high- pressure arc in mercury vapor; the added metals generate different wavelengths, to give substantially white light at an efficiency approximating that of high- pressure sodium lamps.
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