英语词汇“helium spectrometer”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	helium spectrometer
释义	helium spectrometer helium spectrometer [′hē·lē·əm spek′träm·əd·ər] (spectroscopy) A small mass spectrometer used to detect the presence of helium in a vacuum system; for leak detection, a jet of helium is applied to suspected leaks in the outer surface of the system.
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