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1,3-戊二烯
chem. piperylene; 1,3-pentadiene
戊二烯
chem. pentylene
2,3-戊二烯
chem. dimethyl allene; 2,3-pentadiene
戊二烯
perf. pentadiene
戊 二 烯: 270 phrases in 18 subjects
Agriculture6
Automobiles3
Aviation1
Chemistry75
Commerce1
General34
Metallurgy4
Oil / petroleum28
Oil processing plants2
Perfume22
Pharmacology1
Plastics8
Polymers57
Reproductive biology3
Shipbuilding2
Space3
Technology14
Water resources6