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-现代词典

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.
随便看	richard dedekind richard de devizes richard dehmel richard d. fosbury richard d gordon richard d. gordon richard d. james richard d. kimball richard dodridge blackmore richard doyle (illustrator) richard d'oyly carte richard, duke of york richard, earl of cornwall richard e. byrd richard edler von mises richard e marshall richard erlenmeyer richard errett smalley richard erskine frere leakey richard erskine leakey richard e shope richard e. smalley richard evelyn byrd richard feinman richard, felix adolphe

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。