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聚丙二烯
polym. polyallene
聚丙 二 烯: 187 phrases in 16 subjects
Architecture1
Automobiles2
Aviation6
Chemistry30
Earth sciences1
Electronics6
General9
Genetics1
Oil / petroleum11
Plastics30
Polygraphy1
Polymers48
Space12
Technology16
Textile industry2
Water resources11