| 单词 | carbon arc |
| 释义 | > as lemmascarbon arc carbon arc n. an electric arc struck between electrodes made of carbon, used esp. as an intense source of light; frequently attributive. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric light > [noun] > charcoal pencil > bridge between poles arc1821 carbon arc1879 1879 Fort Wayne (Indiana) Sentinel 2 May Governing the amount of current passing in a carbon arc lamp. 1880 Scribner's Monthly Feb. 534/2 Mr. Edison..soon discarded the carbon arc. 1927 Lancet 1 Jan. 15 The therapeutical use of the carbon-arc light. 1957 Welding, Brazing & Soldering of Wiggin Nickel Alloys (H. Wiggin & Co. Ltd.) 38 Appropriate electrodes and holders..are available from the usual suppliers of carbon-arc welding equipment. 1997 Icon Thoughtstyle Mag. Apr. 123/3 With carbon arcs, there's a certain color shift in the flashes; they sort of warm up and cool off. < as lemmas |
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