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naphthene ['næftiːn] n
gen. 萘的旧名
chem. 环烷烃
met. 环烷; 环烷属烃 (C11H2n, 萘(旧用名))
oil 环烷属烃
naphthene: 31 phrases in 6 subjects
Chemistry7
Earth sciences1
Geology1
Oil / petroleum14
Oil processing plants2
Technology6

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