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单词 buna rubber
释义
bu·na rubber (bnə, by-)
n.
Any of a family of synthetic rubbers made from the polymerization of butadiene with a sodium catalyst. Copolymers including styrene or acrylonitrile are the most common members of this group.

[From Buna, former trademark for such rubber.]
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更新时间:2025/1/8 15:05:09