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单词 θ70479
释义
the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > polystyrene > co-polymers (2)
styrene-acrylonitrile1957

the combination of styrene and acrylonitrile, esp. as copolymers in a rubber; usually attributive.

styrene-butadiene1958

the combination of styrene and butadiene, esp. as copolymers in a rubber; usually attributive.

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更新时间:2024/12/23 18:43:20