英语词汇“flash arc”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	flash arc
释义	flash arc flash arc [′flash ‚ärk] (electronics) A sudden increase in the emission of large thermionic vacuum tubes, probably due to irregularities in the cathode surface.
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