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rare gas ['reə'gæs]
chem. 稀有〔惰性，稀薄〕气体
met. 稀有气体
space 惰性气体
tech. 稀薄气体
 English thesaurus
Rare Gas ['reə'gæs]
chem., abbr. RG
rare gas: 13 phrases in 4 subjects
Electronics5
Metallurgy1
Technology6
Telecommunications1

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