A rubbery substance derived from the latex of any of several tropical trees of the genera Palaquium and Payena,used as an electrical insulator,as a waterproofing compound,and in golf balls.
英
美
释义
古塔胶从某些胶木属和巴耶榄属热带树的乳胶中提练出的橡胶物质,用作电绝缘体,防水复合物或做高尔夫球
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