“helium spectrometer”的概念、定义、翻译、参考文献-科学参考

单词	helium spectrometer
释义	helium spectrometer [`hē·lē·ǝm spek`träm·ǝd·ǝr] ^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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