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2,2-bis
 2,2'- -bis
polym. 1,4一双 苯
| propane
 propane
agric. 丙烷
auto. 丙烷
met. 丙烷

to phrases
2,2'-1,4-phenylene-bis
polym. 1,4一双2一噁唑琳基 (2-oxazoline)
2,2'-bis 2-oxazoline
polym. 2,2'一二2一噁唑琳
2,2-bis: 77 phrases in 10 subjects
Agriculture1
Chemistry24
Explosives and Explosive Ordnance Disposal3
Perfume1
Plastics22
Polymers17
Space1
Technology1
Textile industry1
Water resources6