英语词汇“dull emitter”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	dull emitter
释义	dull emitter noun : an electron tube in which the cathode is a filament which does not glow brightly
随便看	peepy peer peer (at) peer at peer pressure peer review peer-review peer-to-peer peerage peerages pycnoconidiums pycnodont Pycnodonta Pycnodonti Pycnodontidae pycnodontoid pycnodysostoses pycnodysostosises pycnodysostosisses pycnogonid Pycnogonida pycnogonidae pycnogonidas pycnogonids pycnometer

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dull emitter