英语词汇“cathode spot”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cathode spot
释义	cathode spot noun 1. : a small area of the anticathode of an X-ray tube upon which the cathode rays are focused and from which proceed the X rays 2. : a small area on the mercury cathode of a mercury-arc rectifier where the arc strikes it and liberates electrons
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