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noble gases
chem. 稀有气体
noble gas
auto. 惰性稀有气体
chem. 惰气; 惰性〔稀有〕气体
met. 稀有气体; 惰性气体
noble gases: 22 phrases in 6 subjects
Earth sciences1
Electronics12
Nuclear and fusion power4
Nuclear physics1
Space2
Technology2