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单词 tungsten filament
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tungsten filament
tungsten filament n.
ΘΚΠ
the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > electric light > [noun] > filament lamp > tungsten lamp and filament
wolfram lamp1907
tungsten lamp1909
tungsten filament1922
1922 R. Glazebrook Dict. Appl. Physics II. 379/2 From 1904..it became obvious that the future of the incandescent lamp for some time to come would be with the tungsten filament lamp.
1962 V. Nabokov Pale Fire 192 The dead, the gentle dead—who knows?—In tungsten filaments abide.
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