;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.
二烯烃和烯基芳烃是非常不稳定
组分，可聚合
生凝胶。对于给定烯烃和
基芳烃，氢化可以
品质量。
（等于alcohol）；鬼
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.
二烯烃和烯基芳烃是非常不稳定组分，可聚合生凝胶。对于给定烯烃和基芳烃，氢化可以品质量。
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