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- 1
Despite the invention of synthetic rubbers, there is often no good substitute for the real thing, for nothing artificial yet matches natural rubber's resilience and strength. 尽管人类发明了合成橡胶，但现在没有能替代天然橡胶的好产品，因为人工合成橡胶弹力和强度还无法和天然橡胶相比。 - 2
The trends of tire technology, tire performances, requirements of tire rubbers, and recent developments of tire synthetic rubbers were analyzed. 简介轮胎技术的发展趋势，指出高性能轮胎的性能要求，必须开发新的轮胎橡胶。 - 3
A white crystalline acid, COOH (CH2) 8cooh, used in the manufacture of certain synthetic resins and fibers, various plasticizers, and polyester rubbers. 任一种白色的晶体酸，化学式为COOH (CH2) 8cooh，用于生产某些合成胶、纤维多种增塑剂和聚脂橡胶。
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