;
;
油，火油;
基的;The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
二烯
和烯基
非常不稳定的组分，可聚合产生凝胶。对于给定烯和
基，氢
可以改善产品质量。
The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
二烯和烯基非常不稳定的组分，可聚合产生凝胶。对于给定烯和基，氢可以改善产品质量。
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