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单词 quartz-iodine lamp
释义 quartz-iodine lamp
\¦ ̷ ̷ ¦ ̷ ̷  ̷ ̷  ̷ ̷ -\ noun
: an incandescent lamp that has a quartz bulb and a tungsten filament and that contains iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb
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