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单词 photoflash composition
释义 photoflash composition
[`fōd·ǝ´flash ´käm·pǝ`zish·ǝn]
MATERIALS
A pyrotechnic material which, when loaded in a suitable casing and ignited, produces a flash of sufficient intensity and duration for photographic purposes; used as the filler in photoflash bombs and cartridges.
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