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正
二十一
碳
烷
gen.
heneicosane
chem.
n-heneicosane
二十一烷
met.
heneicosane
(CH
3
(CH
2
)
19
CH
3
)
water.res., ecol.
heneicosane
二十一
碳
级
烷
met.
heneicosane
二 十 一 烷
:
41 phrases
in 6 subjects
Chemistry
20
Construction
1
General
2
Perfume
6
Plastics
2
Polymers
10
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