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丁二烯-苯乙橡胶 dīngèrxī - běnyǐ xiàngjiāostresses
polym. бутадиенстирольный каучук
丁 二 烯-苯乙橡胶: 15 phrases in 7 subjects
Chemistry1
Electronics1
General5
Geology1
Oil processing plants1
Polymers2
Technology4