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3,4一聚异戊二烯
polym.
3,4-polyisoprene
1,2一聚异戊二烯
polym.
1,2-polyisoprene
一聚 异 戊二烯
:
24 phrases
in 5 subjects
Chemistry
1
Oil / petroleum
2
Plastics
1
Polymers
19
Space
1
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